// SPDX-License-Identifier: GPL-2.0-or-later /* * Programming the mspx4xx sound processor family * * (c) 1997-2001 Gerd Knorr * * what works and what doesn't: * * AM-Mono * Support for Hauppauge cards added (decoding handled by tuner) added by * Frederic Crozat * * FM-Mono * should work. The stereo modes are backward compatible to FM-mono, * therefore FM-Mono should be always 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 * * TODO: * - better SAT support * * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch) * using soundcore instead of OSS */ #include #include #include #include #include #include #include #include #include #include #include #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 */ bool msp_once; /* no continuous stereo monitoring */ bool 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. */ bool 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 processing"); /* ---------------------------------------------------------------------- */ /* control subaddress */ #define I2C_MSP_CONTROL 0x00 /* demodulator unit subaddress */ #define I2C_MSP_DEM 0x10 /* DSP unit subaddress */ #define I2C_MSP_DSP 0x12 /* ----------------------------------------------------------------------- */ /* 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] = { { .addr = client->addr, .flags = I2C_M_IGNORE_NAK, .len = 3, .buf = reset_off }, { .addr = client->addr, .flags = I2C_M_IGNORE_NAK, .len = 3, .buf = reset_on }, }; struct i2c_msg test[2] = { { .addr = client->addr, .len = 3, .buf = write }, { .addr = client->addr, .flags = I2C_M_RD, .len = 2, .buf = read }, }; dev_dbg_lvl(&client->dev, 3, msp_debug, "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) { dev_err(&client->dev, "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] = { { .addr = client->addr, .len = 3, .buf = write }, { .addr = client->addr, .flags = I2C_M_RD, .len = 2, .buf = 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; dev_warn(&client->dev, "I/O error #%d (read 0x%02x/0x%02x)\n", err, dev, addr); schedule_timeout_interruptible(msecs_to_jiffies(10)); } if (err == 3) { dev_warn(&client->dev, "resetting chip, sound will go off.\n"); msp_reset(client); return -1; } retval = read[0] << 8 | read[1]; dev_dbg_lvl(&client->dev, 3, msp_debug, "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; dev_dbg_lvl(&client->dev, 3, msp_debug, "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; dev_warn(&client->dev, "I/O error #%d (write 0x%02x/0x%02x)\n", err, dev, addr); schedule_timeout_interruptible(msecs_to_jiffies(10)); } if (err == 3) { dev_warn(&client->dev, "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 */ dev_dbg_lvl(&client->dev, 1, msp_debug, "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); } /* ------------------------------------------------------------------------ */ 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 msec) { long timeout; timeout = msec < 0 ? MAX_SCHEDULE_TIMEOUT : msecs_to_jiffies(msec); wait_event_freezable_timeout(state->wq, kthread_should_stop() || state->restart, timeout); return state->restart; } /* ------------------------------------------------------------------------ */ static int msp_s_ctrl(struct v4l2_ctrl *ctrl) { struct msp_state *state = ctrl_to_state(ctrl); struct i2c_client *client = v4l2_get_subdevdata(&state->sd); int val = ctrl->val; switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: { /* audio volume cluster */ int reallymuted = state->muted->val | state->scan_in_progress; if (!reallymuted) val = (val * 0x7f / 65535) << 8; dev_dbg_lvl(&client->dev, 1, msp_debug, "mute=%s scanning=%s volume=%d\n", state->muted->val ? "on" : "off", state->scan_in_progress ? "yes" : "no", state->volume->val); 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); break; } case V4L2_CID_AUDIO_BASS: val = ((val - 32768) * 0x60 / 65535) << 8; msp_write_dsp(client, 0x0002, val); if (state->has_headphones) msp_write_dsp(client, 0x0031, val); break; case V4L2_CID_AUDIO_TREBLE: val = ((val - 32768) * 0x60 / 65535) << 8; msp_write_dsp(client, 0x0003, val); if (state->has_headphones) msp_write_dsp(client, 0x0032, val); break; case V4L2_CID_AUDIO_LOUDNESS: val = val ? ((5 * 4) << 8) : 0; msp_write_dsp(client, 0x0004, val); if (state->has_headphones) msp_write_dsp(client, 0x0033, val); break; case V4L2_CID_AUDIO_BALANCE: val = (u8)((val / 256) - 128); msp_write_dsp(client, 0x0001, val << 8); if (state->has_headphones) msp_write_dsp(client, 0x0030, val << 8); break; default: return -EINVAL; } return 0; } void msp_update_volume(struct msp_state *state) { /* Force an update of the volume/mute cluster */ v4l2_ctrl_lock(state->volume); state->volume->val = state->volume->cur.val; state->muted->val = state->muted->cur.val; msp_s_ctrl(state->volume); v4l2_ctrl_unlock(state->volume); } /* --- 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; dev_dbg_lvl(&client->dev, 1, msp_debug, "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_update_volume(state); 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, const 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_querystd(struct v4l2_subdev *sd, v4l2_std_id *id) { struct msp_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); *id &= state->detected_std; dev_dbg_lvl(&client->dev, 2, msp_debug, "detected standard: %s(0x%08Lx)\n", msp_standard_std_name(state->std), state->detected_std); 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, u32 input, u32 output, u32 config) { struct msp_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); int tuner = (input >> 3) & 1; int sc_in = input & 0x7; int sc1_out = output & 0xf; int sc2_out = (output >> 4) & 0xf; u16 val, reg; int i; int extern_input = 1; if (state->route_in == input && state->route_out == output) return 0; state->route_in = input; state->route_out = output; /* check if the tuner input is used */ for (i = 0; i < 5; i++) { if (((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 (vt->type != V4L2_TUNER_ANALOG_TV) return 0; if (!state->radio) { if (state->opmode == OPMODE_AUTOSELECT) msp_detect_stereo(client); vt->rxsubchans = state->rxsubchans; } vt->audmode = state->audmode; 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, const 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); dev_dbg_lvl(&client->dev, 1, msp_debug, "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_log_status(struct v4l2_subdev *sd) { struct msp_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); const char *p; char prefix[sizeof(sd->name) + 20]; if (state->opmode == OPMODE_AUTOSELECT) msp_detect_stereo(client); dev_info(&client->dev, "%s rev1 = 0x%04x rev2 = 0x%04x\n", client->name, state->rev1, state->rev2); snprintf(prefix, sizeof(prefix), "%s: Audio: ", sd->name); v4l2_ctrl_handler_log_status(&state->hdl, prefix); 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 = "Terrestrial 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) { dev_info(&client->dev, "Mode: %s\n", p); } else if (state->opmode == OPMODE_MANUAL) { dev_info(&client->dev, "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) dev_info(&client->dev, "Mode: %s\n", p); dev_info(&client->dev, "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" : ""); } dev_info(&client->dev, "Audmode: 0x%04x\n", state->audmode); dev_info(&client->dev, "Routing: 0x%08x (input) 0x%08x (output)\n", state->route_in, state->route_out); dev_info(&client->dev, "ACB: 0x%04x\n", state->acb); return 0; } #ifdef CONFIG_PM_SLEEP static int msp_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); dev_dbg_lvl(&client->dev, 1, msp_debug, "suspend\n"); msp_reset(client); return 0; } static int msp_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); dev_dbg_lvl(&client->dev, 1, msp_debug, "resume\n"); msp_wake_thread(client); return 0; } #endif /* ----------------------------------------------------------------------- */ static const struct v4l2_ctrl_ops msp_ctrl_ops = { .s_ctrl = msp_s_ctrl, }; static const struct v4l2_subdev_core_ops msp_core_ops = { .log_status = msp_log_status, }; static const struct v4l2_subdev_video_ops msp_video_ops = { .s_std = msp_s_std, .querystd = msp_querystd, }; 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, }; 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, .video = &msp_video_ops, .tuner = &msp_tuner_ops, .audio = &msp_audio_ops, }; /* ----------------------------------------------------------------------- */ static const char * const opmode_str[] = { [OPMODE_MANUAL] = "manual", [OPMODE_AUTODETECT] = "autodetect", [OPMODE_AUTOSELECT] = "autodetect and autoselect", }; static int msp_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); struct msp_state *state; struct v4l2_subdev *sd; struct v4l2_ctrl_handler *hdl; 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 defined(CONFIG_MEDIA_CONTROLLER) int ret; #endif if (!id) strscpy(client->name, "msp3400", sizeof(client->name)); if (msp_reset(client) == -1) { dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3400 not found\n"); return -ENODEV; } state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL); if (!state) return -ENOMEM; sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &msp_ops); #if defined(CONFIG_MEDIA_CONTROLLER) state->pads[MSP3400_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; state->pads[MSP3400_PAD_IF_INPUT].sig_type = PAD_SIGNAL_AUDIO; state->pads[MSP3400_PAD_OUT].flags = MEDIA_PAD_FL_SOURCE; state->pads[MSP3400_PAD_OUT].sig_type = PAD_SIGNAL_AUDIO; sd->entity.function = MEDIA_ENT_F_IF_AUD_DECODER; ret = media_entity_pads_init(&sd->entity, 2, state->pads); if (ret < 0) return ret; #endif state->v4l2_std = V4L2_STD_NTSC; state->detected_std = V4L2_STD_ALL; state->audmode = V4L2_TUNER_MODE_STEREO; state->input = -1; state->i2s_mode = 0; init_waitqueue_head(&state->wq); /* These are the reset input/output positions */ state->route_in = MSP_INPUT_DEFAULT; state->route_out = MSP_OUTPUT_DEFAULT; state->rev1 = msp_read_dsp(client, 0x1e); if (state->rev1 != -1) state->rev2 = msp_read_dsp(client, 0x1f); dev_dbg_lvl(&client->dev, 1, msp_debug, "rev1=0x%04x, rev2=0x%04x\n", state->rev1, state->rev2); if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) { dev_dbg_lvl(&client->dev, 1, msp_debug, "not an msp3400 (cannot read chip version)\n"); return -ENODEV; } 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_MANUAL || state->opmode > OPMODE_AUTOSELECT) { /* 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; } hdl = &state->hdl; v4l2_ctrl_handler_init(hdl, 6); if (state->has_sound_processing) { v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, V4L2_CID_AUDIO_BASS, 0, 65535, 65535 / 100, 32768); v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, V4L2_CID_AUDIO_TREBLE, 0, 65535, 65535 / 100, 32768); v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 0); } state->volume = v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 58880); v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768); state->muted = v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); sd->ctrl_handler = hdl; if (hdl->error) { int err = hdl->error; v4l2_ctrl_handler_free(hdl); return err; } v4l2_ctrl_cluster(2, &state->volume); v4l2_ctrl_handler_setup(hdl); dev_info(&client->dev, "MSP%d4%02d%c-%c%d found on %s: supports %s%s%s, mode is %s\n", msp_family, msp_product, msp_revision, msp_hard, msp_rom, client->adapter->name, (state->has_nicam) ? "nicam" : "", (state->has_nicam && state->has_radio) ? " and " : "", (state->has_radio) ? "radio" : "", opmode_str[state->opmode]); /* version-specific initialization */ switch (state->opmode) { case OPMODE_MANUAL: thread_func = msp3400c_thread; break; case OPMODE_AUTODETECT: thread_func = msp3410d_thread; break; case OPMODE_AUTOSELECT: thread_func = msp34xxg_thread; break; } /* startup control thread if needed */ if (thread_func) { state->kthread = kthread_run(thread_func, client, "msp34xx"); if (IS_ERR(state->kthread)) dev_warn(&client->dev, "kernel_thread() failed\n"); msp_wake_thread(client); } return 0; } static void 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); v4l2_ctrl_handler_free(&state->hdl); } /* ----------------------------------------------------------------------- */ static const struct dev_pm_ops msp3400_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(msp_suspend, msp_resume) }; static const struct i2c_device_id msp_id[] = { { "msp3400" }, { } }; MODULE_DEVICE_TABLE(i2c, msp_id); static struct i2c_driver msp_driver = { .driver = { .name = "msp3400", .pm = &msp3400_pm_ops, }, .probe = msp_probe, .remove = msp_remove, .id_table = msp_id, }; module_i2c_driver(msp_driver);