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900 lines
26 KiB
900 lines
26 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Programming the mspx4xx sound processor family |
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* |
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* (c) 1997-2001 Gerd Knorr <[email protected]> |
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* |
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* what works and what doesn't: |
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* |
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* AM-Mono |
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* Support for Hauppauge cards added (decoding handled by tuner) added by |
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* Frederic Crozat <[email protected]> |
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* |
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* FM-Mono |
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* should work. The stereo modes are backward compatible to FM-mono, |
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* therefore FM-Mono should be always available. |
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* |
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* FM-Stereo (B/G, used in germany) |
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* should work, with autodetect |
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* |
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* FM-Stereo (satellite) |
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* should work, no autodetect (i.e. default is mono, but you can |
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* switch to stereo -- untested) |
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* |
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* NICAM (B/G, L , used in UK, Scandinavia, Spain and France) |
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* should work, with autodetect. Support for NICAM was added by |
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* Pekka Pietikainen <[email protected]> |
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* |
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* TODO: |
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* - better SAT support |
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* |
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* 980623 Thomas Sailer ([email protected]) |
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* using soundcore instead of OSS |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/i2c.h> |
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#include <linux/kthread.h> |
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#include <linux/freezer.h> |
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#include <linux/videodev2.h> |
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#include <media/v4l2-device.h> |
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#include <media/v4l2-ioctl.h> |
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#include <media/drv-intf/msp3400.h> |
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#include <media/i2c/tvaudio.h> |
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#include "msp3400-driver.h" |
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/* ---------------------------------------------------------------------- */ |
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MODULE_DESCRIPTION("device driver for msp34xx TV sound processor"); |
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MODULE_AUTHOR("Gerd Knorr"); |
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MODULE_LICENSE("GPL"); |
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/* module parameters */ |
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static int opmode = OPMODE_AUTO; |
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int msp_debug; /* msp_debug output */ |
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bool msp_once; /* no continuous stereo monitoring */ |
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bool msp_amsound; /* hard-wire AM sound at 6.5 Hz (france), |
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the autoscan seems work well only with FM... */ |
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int msp_standard = 1; /* Override auto detect of audio msp_standard, |
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if needed. */ |
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bool msp_dolby; |
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int msp_stereo_thresh = 0x190; /* a2 threshold for stereo/bilingual |
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(msp34xxg only) 0x00a0-0x03c0 */ |
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/* read-only */ |
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module_param(opmode, int, 0444); |
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/* read-write */ |
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module_param_named(once, msp_once, bool, 0644); |
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module_param_named(debug, msp_debug, int, 0644); |
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module_param_named(stereo_threshold, msp_stereo_thresh, int, 0644); |
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module_param_named(standard, msp_standard, int, 0644); |
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module_param_named(amsound, msp_amsound, bool, 0644); |
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module_param_named(dolby, msp_dolby, bool, 0644); |
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MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect"); |
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MODULE_PARM_DESC(once, "No continuous stereo monitoring"); |
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MODULE_PARM_DESC(debug, "Enable debug messages [0-3]"); |
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MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo"); |
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MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect"); |
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MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan"); |
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MODULE_PARM_DESC(dolby, "Activates Dolby processing"); |
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/* ---------------------------------------------------------------------- */ |
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/* control subaddress */ |
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#define I2C_MSP_CONTROL 0x00 |
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/* demodulator unit subaddress */ |
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#define I2C_MSP_DEM 0x10 |
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/* DSP unit subaddress */ |
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#define I2C_MSP_DSP 0x12 |
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/* ----------------------------------------------------------------------- */ |
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/* functions for talking to the MSP3400C Sound processor */ |
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int msp_reset(struct i2c_client *client) |
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{ |
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/* reset and read revision code */ |
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static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 }; |
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static u8 reset_on[3] = { I2C_MSP_CONTROL, 0x00, 0x00 }; |
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static u8 write[3] = { I2C_MSP_DSP + 1, 0x00, 0x1e }; |
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u8 read[2]; |
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struct i2c_msg reset[2] = { |
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{ |
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.addr = client->addr, |
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.flags = I2C_M_IGNORE_NAK, |
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.len = 3, |
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.buf = reset_off |
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}, |
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{ |
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.addr = client->addr, |
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.flags = I2C_M_IGNORE_NAK, |
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.len = 3, |
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.buf = reset_on |
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}, |
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}; |
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struct i2c_msg test[2] = { |
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{ |
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.addr = client->addr, |
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.len = 3, |
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.buf = write |
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}, |
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{ |
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.addr = client->addr, |
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.flags = I2C_M_RD, |
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.len = 2, |
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.buf = read |
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}, |
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}; |
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dev_dbg_lvl(&client->dev, 3, msp_debug, "msp_reset\n"); |
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if (i2c_transfer(client->adapter, &reset[0], 1) != 1 || |
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i2c_transfer(client->adapter, &reset[1], 1) != 1 || |
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i2c_transfer(client->adapter, test, 2) != 2) { |
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dev_err(&client->dev, "chip reset failed\n"); |
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return -1; |
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} |
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return 0; |
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} |
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static int msp_read(struct i2c_client *client, int dev, int addr) |
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{ |
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int err, retval; |
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u8 write[3]; |
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u8 read[2]; |
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struct i2c_msg msgs[2] = { |
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{ |
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.addr = client->addr, |
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.len = 3, |
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.buf = write |
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}, |
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{ |
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.addr = client->addr, |
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.flags = I2C_M_RD, |
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.len = 2, |
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.buf = read |
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} |
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}; |
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write[0] = dev + 1; |
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write[1] = addr >> 8; |
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write[2] = addr & 0xff; |
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for (err = 0; err < 3; err++) { |
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if (i2c_transfer(client->adapter, msgs, 2) == 2) |
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break; |
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dev_warn(&client->dev, "I/O error #%d (read 0x%02x/0x%02x)\n", err, |
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dev, addr); |
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schedule_timeout_interruptible(msecs_to_jiffies(10)); |
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} |
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if (err == 3) { |
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dev_warn(&client->dev, "resetting chip, sound will go off.\n"); |
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msp_reset(client); |
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return -1; |
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} |
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retval = read[0] << 8 | read[1]; |
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dev_dbg_lvl(&client->dev, 3, msp_debug, "msp_read(0x%x, 0x%x): 0x%x\n", |
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dev, addr, retval); |
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return retval; |
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} |
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int msp_read_dem(struct i2c_client *client, int addr) |
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{ |
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return msp_read(client, I2C_MSP_DEM, addr); |
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} |
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int msp_read_dsp(struct i2c_client *client, int addr) |
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{ |
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return msp_read(client, I2C_MSP_DSP, addr); |
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} |
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static int msp_write(struct i2c_client *client, int dev, int addr, int val) |
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{ |
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int err; |
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u8 buffer[5]; |
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buffer[0] = dev; |
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buffer[1] = addr >> 8; |
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buffer[2] = addr & 0xff; |
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buffer[3] = val >> 8; |
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buffer[4] = val & 0xff; |
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dev_dbg_lvl(&client->dev, 3, msp_debug, "msp_write(0x%x, 0x%x, 0x%x)\n", |
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dev, addr, val); |
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for (err = 0; err < 3; err++) { |
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if (i2c_master_send(client, buffer, 5) == 5) |
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break; |
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dev_warn(&client->dev, "I/O error #%d (write 0x%02x/0x%02x)\n", err, |
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dev, addr); |
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schedule_timeout_interruptible(msecs_to_jiffies(10)); |
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} |
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if (err == 3) { |
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dev_warn(&client->dev, "resetting chip, sound will go off.\n"); |
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msp_reset(client); |
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return -1; |
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} |
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return 0; |
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} |
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int msp_write_dem(struct i2c_client *client, int addr, int val) |
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{ |
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return msp_write(client, I2C_MSP_DEM, addr, val); |
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} |
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int msp_write_dsp(struct i2c_client *client, int addr, int val) |
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{ |
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return msp_write(client, I2C_MSP_DSP, addr, val); |
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} |
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/* ----------------------------------------------------------------------- * |
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* bits 9 8 5 - SCART DSP input Select: |
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* 0 0 0 - SCART 1 to DSP input (reset position) |
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* 0 1 0 - MONO to DSP input |
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* 1 0 0 - SCART 2 to DSP input |
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* 1 1 1 - Mute DSP input |
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* |
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* bits 11 10 6 - SCART 1 Output Select: |
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* 0 0 0 - undefined (reset position) |
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* 0 1 0 - SCART 2 Input to SCART 1 Output (for devices with 2 SCARTS) |
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* 1 0 0 - MONO input to SCART 1 Output |
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* 1 1 0 - SCART 1 DA to SCART 1 Output |
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* 0 0 1 - SCART 2 DA to SCART 1 Output |
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* 0 1 1 - SCART 1 Input to SCART 1 Output |
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* 1 1 1 - Mute SCART 1 Output |
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* |
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* bits 13 12 7 - SCART 2 Output Select (for devices with 2 Output SCART): |
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* 0 0 0 - SCART 1 DA to SCART 2 Output (reset position) |
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* 0 1 0 - SCART 1 Input to SCART 2 Output |
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* 1 0 0 - MONO input to SCART 2 Output |
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* 0 0 1 - SCART 2 DA to SCART 2 Output |
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* 0 1 1 - SCART 2 Input to SCART 2 Output |
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* 1 1 0 - Mute SCART 2 Output |
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* |
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* Bits 4 to 0 should be zero. |
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* ----------------------------------------------------------------------- */ |
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static int scarts[3][9] = { |
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/* MASK IN1 IN2 IN3 IN4 IN1_DA IN2_DA MONO MUTE */ |
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/* SCART DSP Input select */ |
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{ 0x0320, 0x0000, 0x0200, 0x0300, 0x0020, -1, -1, 0x0100, 0x0320 }, |
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/* SCART1 Output select */ |
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{ 0x0c40, 0x0440, 0x0400, 0x0000, 0x0840, 0x0c00, 0x0040, 0x0800, 0x0c40 }, |
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/* SCART2 Output select */ |
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{ 0x3080, 0x1000, 0x1080, 0x2080, 0x3080, 0x0000, 0x0080, 0x2000, 0x3000 }, |
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}; |
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static char *scart_names[] = { |
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"in1", "in2", "in3", "in4", "in1 da", "in2 da", "mono", "mute" |
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}; |
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void msp_set_scart(struct i2c_client *client, int in, int out) |
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{ |
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struct msp_state *state = to_state(i2c_get_clientdata(client)); |
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state->in_scart = in; |
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if (in >= 0 && in <= 7 && out >= 0 && out <= 2) { |
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if (-1 == scarts[out][in + 1]) |
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return; |
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state->acb &= ~scarts[out][0]; |
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state->acb |= scarts[out][in + 1]; |
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} else |
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state->acb = 0xf60; /* Mute Input and SCART 1 Output */ |
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dev_dbg_lvl(&client->dev, 1, msp_debug, "scart switch: %s => %d (ACB=0x%04x)\n", |
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scart_names[in], out, state->acb); |
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msp_write_dsp(client, 0x13, state->acb); |
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/* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */ |
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if (state->has_i2s_conf) |
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msp_write_dem(client, 0x40, state->i2s_mode); |
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} |
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/* ------------------------------------------------------------------------ */ |
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static void msp_wake_thread(struct i2c_client *client) |
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{ |
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struct msp_state *state = to_state(i2c_get_clientdata(client)); |
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if (NULL == state->kthread) |
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return; |
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state->watch_stereo = 0; |
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state->restart = 1; |
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wake_up_interruptible(&state->wq); |
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} |
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int msp_sleep(struct msp_state *state, int timeout) |
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{ |
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DECLARE_WAITQUEUE(wait, current); |
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add_wait_queue(&state->wq, &wait); |
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if (!kthread_should_stop()) { |
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if (timeout < 0) { |
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set_current_state(TASK_INTERRUPTIBLE); |
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schedule(); |
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} else { |
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schedule_timeout_interruptible |
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(msecs_to_jiffies(timeout)); |
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} |
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} |
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remove_wait_queue(&state->wq, &wait); |
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try_to_freeze(); |
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return state->restart; |
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} |
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/* ------------------------------------------------------------------------ */ |
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static int msp_s_ctrl(struct v4l2_ctrl *ctrl) |
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{ |
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struct msp_state *state = ctrl_to_state(ctrl); |
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struct i2c_client *client = v4l2_get_subdevdata(&state->sd); |
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int val = ctrl->val; |
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switch (ctrl->id) { |
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case V4L2_CID_AUDIO_VOLUME: { |
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/* audio volume cluster */ |
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int reallymuted = state->muted->val | state->scan_in_progress; |
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if (!reallymuted) |
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val = (val * 0x7f / 65535) << 8; |
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dev_dbg_lvl(&client->dev, 1, msp_debug, "mute=%s scanning=%s volume=%d\n", |
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state->muted->val ? "on" : "off", |
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state->scan_in_progress ? "yes" : "no", |
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state->volume->val); |
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msp_write_dsp(client, 0x0000, val); |
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msp_write_dsp(client, 0x0007, reallymuted ? 0x1 : (val | 0x1)); |
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if (state->has_scart2_out_volume) |
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msp_write_dsp(client, 0x0040, reallymuted ? 0x1 : (val | 0x1)); |
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if (state->has_headphones) |
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msp_write_dsp(client, 0x0006, val); |
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break; |
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} |
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case V4L2_CID_AUDIO_BASS: |
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val = ((val - 32768) * 0x60 / 65535) << 8; |
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msp_write_dsp(client, 0x0002, val); |
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if (state->has_headphones) |
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msp_write_dsp(client, 0x0031, val); |
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break; |
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case V4L2_CID_AUDIO_TREBLE: |
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val = ((val - 32768) * 0x60 / 65535) << 8; |
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msp_write_dsp(client, 0x0003, val); |
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if (state->has_headphones) |
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msp_write_dsp(client, 0x0032, val); |
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break; |
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case V4L2_CID_AUDIO_LOUDNESS: |
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val = val ? ((5 * 4) << 8) : 0; |
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msp_write_dsp(client, 0x0004, val); |
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if (state->has_headphones) |
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msp_write_dsp(client, 0x0033, val); |
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break; |
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case V4L2_CID_AUDIO_BALANCE: |
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val = (u8)((val / 256) - 128); |
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msp_write_dsp(client, 0x0001, val << 8); |
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if (state->has_headphones) |
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msp_write_dsp(client, 0x0030, val << 8); |
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break; |
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default: |
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return -EINVAL; |
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} |
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return 0; |
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} |
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void msp_update_volume(struct msp_state *state) |
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{ |
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/* Force an update of the volume/mute cluster */ |
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v4l2_ctrl_lock(state->volume); |
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state->volume->val = state->volume->cur.val; |
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state->muted->val = state->muted->cur.val; |
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msp_s_ctrl(state->volume); |
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v4l2_ctrl_unlock(state->volume); |
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} |
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/* --- v4l2 ioctls --- */ |
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static int msp_s_radio(struct v4l2_subdev *sd) |
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{ |
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struct msp_state *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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if (state->radio) |
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return 0; |
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state->radio = 1; |
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dev_dbg_lvl(&client->dev, 1, msp_debug, "switching to radio mode\n"); |
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state->watch_stereo = 0; |
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switch (state->opmode) { |
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case OPMODE_MANUAL: |
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/* set msp3400 to FM radio mode */ |
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msp3400c_set_mode(client, MSP_MODE_FM_RADIO); |
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msp3400c_set_carrier(client, MSP_CARRIER(10.7), |
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MSP_CARRIER(10.7)); |
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msp_update_volume(state); |
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break; |
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case OPMODE_AUTODETECT: |
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case OPMODE_AUTOSELECT: |
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/* the thread will do for us */ |
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msp_wake_thread(client); |
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break; |
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} |
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return 0; |
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} |
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static int msp_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *freq) |
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{ |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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/* new channel -- kick audio carrier scan */ |
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msp_wake_thread(client); |
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return 0; |
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} |
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static int msp_querystd(struct v4l2_subdev *sd, v4l2_std_id *id) |
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{ |
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struct msp_state *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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*id &= state->detected_std; |
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dev_dbg_lvl(&client->dev, 2, msp_debug, |
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"detected standard: %s(0x%08Lx)\n", |
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msp_standard_std_name(state->std), state->detected_std); |
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return 0; |
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} |
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static int msp_s_std(struct v4l2_subdev *sd, v4l2_std_id id) |
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{ |
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struct msp_state *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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int update = state->radio || state->v4l2_std != id; |
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state->v4l2_std = id; |
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state->radio = 0; |
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if (update) |
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msp_wake_thread(client); |
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return 0; |
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} |
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static int msp_s_routing(struct v4l2_subdev *sd, |
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u32 input, u32 output, u32 config) |
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{ |
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struct msp_state *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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int tuner = (input >> 3) & 1; |
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int sc_in = input & 0x7; |
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int sc1_out = output & 0xf; |
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int sc2_out = (output >> 4) & 0xf; |
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u16 val, reg; |
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int i; |
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int extern_input = 1; |
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if (state->route_in == input && state->route_out == output) |
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return 0; |
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state->route_in = input; |
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state->route_out = output; |
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/* check if the tuner input is used */ |
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for (i = 0; i < 5; i++) { |
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if (((input >> (4 + i * 4)) & 0xf) == 0) |
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extern_input = 0; |
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} |
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state->mode = extern_input ? MSP_MODE_EXTERN : MSP_MODE_AM_DETECT; |
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state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
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msp_set_scart(client, sc_in, 0); |
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msp_set_scart(client, sc1_out, 1); |
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msp_set_scart(client, sc2_out, 2); |
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msp_set_audmode(client); |
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reg = (state->opmode == OPMODE_AUTOSELECT) ? 0x30 : 0xbb; |
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val = msp_read_dem(client, reg); |
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msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8)); |
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/* wake thread when a new input is chosen */ |
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msp_wake_thread(client); |
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return 0; |
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} |
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static int msp_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
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{ |
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struct msp_state *state = to_state(sd); |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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|
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if (vt->type != V4L2_TUNER_ANALOG_TV) |
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return 0; |
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if (!state->radio) { |
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if (state->opmode == OPMODE_AUTOSELECT) |
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msp_detect_stereo(client); |
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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[V4L2_SUBDEV_NAME_SIZE + 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) |
|
{ |
|
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 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); |
|
|
|
v4l2_ctrl_handler_free(&state->hdl); |
|
return 0; |
|
} |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
|
|
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", 0 }, |
|
{ } |
|
}; |
|
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);
|
|
|