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path: root/drivers/media/video/cx25840/cx25840-core.c
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Diffstat (limited to 'drivers/media/video/cx25840/cx25840-core.c')
-rw-r--r--drivers/media/video/cx25840/cx25840-core.c695
1 files changed, 403 insertions, 292 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index 15f191e170d2..756a1eeb274e 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -13,6 +13,8 @@
* NTSC sliced VBI support by Christopher Neufeld <television@cneufeld.ca>
* with additional fixes by Hans Verkuil <hverkuil@xs4all.nl>.
*
+ * CX23885 support by Steven Toth <stoth@hauppauge.com>.
+ *
* 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
@@ -37,6 +39,7 @@
#include <linux/delay.h>
#include <media/v4l2-common.h>
#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
#include <media/cx25840.h>
#include "cx25840-core.h"
@@ -72,10 +75,10 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value)
u8 buffer[6];
buffer[0] = addr >> 8;
buffer[1] = addr & 0xff;
- buffer[2] = value >> 24;
- buffer[3] = (value >> 16) & 0xff;
- buffer[4] = (value >> 8) & 0xff;
- buffer[5] = value & 0xff;
+ buffer[2] = value & 0xff;
+ buffer[3] = (value >> 8) & 0xff;
+ buffer[4] = (value >> 16) & 0xff;
+ buffer[5] = value >> 24;
return i2c_master_send(client, buffer, 6);
}
@@ -122,8 +125,6 @@ int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask,
static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
enum cx25840_audio_input aud_input);
-static void log_audio_status(struct i2c_client *client);
-static void log_video_status(struct i2c_client *client);
/* ----------------------------------------------------------------------- */
@@ -256,6 +257,96 @@ static void cx25840_initialize(struct i2c_client *client)
cx25840_and_or(client, 0x803, ~0x10, 0x10);
}
+static void cx23885_initialize(struct i2c_client *client)
+{
+ DEFINE_WAIT(wait);
+ struct cx25840_state *state = i2c_get_clientdata(client);
+ struct workqueue_struct *q;
+
+ /* Internal Reset */
+ cx25840_and_or(client, 0x102, ~0x01, 0x01);
+ cx25840_and_or(client, 0x102, ~0x01, 0x00);
+
+ /* Stop microcontroller */
+ cx25840_and_or(client, 0x803, ~0x10, 0x00);
+
+ /* DIF in reset? */
+ cx25840_write(client, 0x398, 0);
+
+ /* Trust the default xtal, no division */
+ /* This changes for the cx23888 products */
+ cx25840_write(client, 0x2, 0x76);
+
+ /* Bring down the regulator for AUX clk */
+ cx25840_write(client, 0x1, 0x40);
+
+ /* Sys PLL frac */
+ cx25840_write4(client, 0x11c, 0x01d1744c);
+
+ /* Sys PLL int */
+ cx25840_write4(client, 0x118, 0x00000416);
+
+ /* Disable DIF bypass */
+ cx25840_write4(client, 0x33c, 0x00000001);
+
+ /* DIF Src phase inc */
+ cx25840_write4(client, 0x340, 0x0df7df83);
+
+ /* Vid PLL frac */
+ cx25840_write4(client, 0x10c, 0x01b6db7b);
+
+ /* Vid PLL int */
+ cx25840_write4(client, 0x108, 0x00000512);
+
+ /* Luma */
+ cx25840_write4(client, 0x414, 0x00107d12);
+
+ /* Chroma */
+ cx25840_write4(client, 0x420, 0x3d008282);
+
+ /* Aux PLL frac */
+ cx25840_write4(client, 0x114, 0x017dbf48);
+
+ /* Aux PLL int */
+ cx25840_write4(client, 0x110, 0x000a030e);
+
+ /* ADC2 input select */
+ cx25840_write(client, 0x102, 0x10);
+
+ /* VIN1 & VIN5 */
+ cx25840_write(client, 0x103, 0x11);
+
+ /* Enable format auto detect */
+ cx25840_write(client, 0x400, 0);
+ /* Fast subchroma lock */
+ /* White crush, Chroma AGC & Chroma Killer enabled */
+ cx25840_write(client, 0x401, 0xe8);
+
+ /* Select AFE clock pad output source */
+ cx25840_write(client, 0x144, 0x05);
+
+ /* Do the firmware load in a work handler to prevent.
+ Otherwise the kernel is blocked waiting for the
+ bit-banging i2c interface to finish uploading the
+ firmware. */
+ INIT_WORK(&state->fw_work, cx25840_work_handler);
+ init_waitqueue_head(&state->fw_wait);
+ q = create_singlethread_workqueue("cx25840_fw");
+ prepare_to_wait(&state->fw_wait, &wait, TASK_UNINTERRUPTIBLE);
+ queue_work(q, &state->fw_work);
+ schedule();
+ finish_wait(&state->fw_wait, &wait);
+ destroy_workqueue(q);
+
+ cx25840_vbi_setup(client);
+
+ /* (re)set input */
+ set_input(client, state->vid_input, state->aud_input);
+
+ /* start microcontroller */
+ cx25840_and_or(client, 0x803, ~0x10, 0x10);
+}
+
/* ----------------------------------------------------------------------- */
static void input_change(struct i2c_client *client)
@@ -319,9 +410,22 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
vid_input <= CX25840_COMPOSITE8);
u8 reg;
- v4l_dbg(1, cx25840_debug, client, "decoder set video input %d, audio input %d\n",
- vid_input, aud_input);
+ v4l_dbg(1, cx25840_debug, client,
+ "decoder set video input %d, audio input %d\n",
+ vid_input, aud_input);
+
+ if (vid_input >= CX25840_VIN1_CH1) {
+ v4l_dbg(1, cx25840_debug, client, "vid_input 0x%x\n",
+ vid_input);
+ reg = vid_input & 0xff;
+ if ((vid_input & CX25840_SVIDEO_ON) == CX25840_SVIDEO_ON)
+ is_composite = 0;
+ else
+ is_composite = 1;
+ v4l_dbg(1, cx25840_debug, client, "mux cfg 0x%x comp=%d\n",
+ reg, is_composite);
+ } else
if (is_composite) {
reg = 0xf0 + (vid_input - CX25840_COMPOSITE1);
} else {
@@ -331,7 +435,8 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
if ((vid_input & ~0xff0) ||
luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA4 ||
chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) {
- v4l_err(client, "0x%04x is not a valid video input!\n", vid_input);
+ v4l_err(client, "0x%04x is not a valid video input!\n",
+ vid_input);
return -EINVAL;
}
reg = 0xf0 + ((luma - CX25840_SVIDEO_LUMA1) >> 4);
@@ -344,31 +449,49 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
}
}
- switch (aud_input) {
- case CX25840_AUDIO_SERIAL:
- /* do nothing, use serial audio input */
- break;
- case CX25840_AUDIO4: reg &= ~0x30; break;
- case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
- case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
- case CX25840_AUDIO7: reg &= ~0xc0; break;
- case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
+ /* The caller has previously prepared the correct routing
+ * configuration in reg (for the cx23885) so we have no
+ * need to attempt to flip bits for earlier av decoders.
+ */
+ if (!state->is_cx23885) {
+ switch (aud_input) {
+ case CX25840_AUDIO_SERIAL:
+ /* do nothing, use serial audio input */
+ break;
+ case CX25840_AUDIO4: reg &= ~0x30; break;
+ case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
+ case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
+ case CX25840_AUDIO7: reg &= ~0xc0; break;
+ case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
- default:
- v4l_err(client, "0x%04x is not a valid audio input!\n", aud_input);
- return -EINVAL;
+ default:
+ v4l_err(client, "0x%04x is not a valid audio input!\n",
+ aud_input);
+ return -EINVAL;
+ }
}
cx25840_write(client, 0x103, reg);
+
/* Set INPUT_MODE to Composite (0) or S-Video (1) */
cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
- /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
- cx25840_and_or(client, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0);
- /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */
- if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
- cx25840_and_or(client, 0x102, ~0x4, 4);
- else
- cx25840_and_or(client, 0x102, ~0x4, 0);
+
+ if (!state->is_cx23885) {
+ /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */
+ cx25840_and_or(client, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0);
+ /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2&CH3 */
+ if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30)
+ cx25840_and_or(client, 0x102, ~0x4, 4);
+ else
+ cx25840_and_or(client, 0x102, ~0x4, 0);
+ } else {
+ if (is_composite)
+ /* ADC2 input select channel 2 */
+ cx25840_and_or(client, 0x102, ~0x2, 0);
+ else
+ /* ADC2 input select channel 3 */
+ cx25840_and_or(client, 0x102, ~0x2, 2);
+ }
state->vid_input = vid_input;
state->aud_input = aud_input;
@@ -376,6 +499,25 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
cx25840_audio_set_path(client);
input_change(client);
}
+
+ if (state->is_cx23885) {
+ /* Audio channel 1 src : Parallel 1 */
+ cx25840_write(client, 0x124, 0x03);
+
+ /* Select AFE clock pad output source */
+ cx25840_write(client, 0x144, 0x05);
+
+ /* I2S_IN_CTL: I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1 */
+ cx25840_write(client, 0x914, 0xa0);
+
+ /* I2S_OUT_CTL:
+ * I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1
+ * I2S_OUT_MASTER_MODE = Master
+ */
+ cx25840_write(client, 0x918, 0xa0);
+ cx25840_write(client, 0x919, 0x01);
+ }
+
return 0;
}
@@ -641,6 +783,200 @@ static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
/* ----------------------------------------------------------------------- */
+static void log_video_status(struct i2c_client *client)
+{
+ static const char *const fmt_strs[] = {
+ "0x0",
+ "NTSC-M", "NTSC-J", "NTSC-4.43",
+ "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
+ "0x9", "0xA", "0xB",
+ "SECAM",
+ "0xD", "0xE", "0xF"
+ };
+
+ struct cx25840_state *state = i2c_get_clientdata(client);
+ u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf;
+ u8 gen_stat1 = cx25840_read(client, 0x40d);
+ u8 gen_stat2 = cx25840_read(client, 0x40e);
+ int vid_input = state->vid_input;
+
+ v4l_info(client, "Video signal: %spresent\n",
+ (gen_stat2 & 0x20) ? "" : "not ");
+ v4l_info(client, "Detected format: %s\n",
+ fmt_strs[gen_stat1 & 0xf]);
+
+ v4l_info(client, "Specified standard: %s\n",
+ vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
+
+ if (vid_input >= CX25840_COMPOSITE1 &&
+ vid_input <= CX25840_COMPOSITE8) {
+ v4l_info(client, "Specified video input: Composite %d\n",
+ vid_input - CX25840_COMPOSITE1 + 1);
+ } else {
+ v4l_info(client, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
+ (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
+ }
+
+ v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq);
+}
+
+/* ----------------------------------------------------------------------- */
+
+static void log_audio_status(struct i2c_client *client)
+{
+ struct cx25840_state *state = i2c_get_clientdata(client);
+ u8 download_ctl = cx25840_read(client, 0x803);
+ u8 mod_det_stat0 = cx25840_read(client, 0x804);
+ u8 mod_det_stat1 = cx25840_read(client, 0x805);
+ u8 audio_config = cx25840_read(client, 0x808);
+ u8 pref_mode = cx25840_read(client, 0x809);
+ u8 afc0 = cx25840_read(client, 0x80b);
+ u8 mute_ctl = cx25840_read(client, 0x8d3);
+ int aud_input = state->aud_input;
+ char *p;
+
+ switch (mod_det_stat0) {
+ case 0x00: p = "mono"; break;
+ case 0x01: p = "stereo"; break;
+ case 0x02: p = "dual"; break;
+ case 0x04: p = "tri"; break;
+ case 0x10: p = "mono with SAP"; break;
+ case 0x11: p = "stereo with SAP"; break;
+ case 0x12: p = "dual with SAP"; break;
+ case 0x14: p = "tri with SAP"; break;
+ case 0xfe: p = "forced mode"; break;
+ default: p = "not defined";
+ }
+ v4l_info(client, "Detected audio mode: %s\n", p);
+
+ switch (mod_det_stat1) {
+ case 0x00: p = "not defined"; break;
+ case 0x01: p = "EIAJ"; break;
+ case 0x02: p = "A2-M"; break;
+ case 0x03: p = "A2-BG"; break;
+ case 0x04: p = "A2-DK1"; break;
+ case 0x05: p = "A2-DK2"; break;
+ case 0x06: p = "A2-DK3"; break;
+ case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
+ case 0x08: p = "AM-L"; break;
+ case 0x09: p = "NICAM-BG"; break;
+ case 0x0a: p = "NICAM-DK"; break;
+ case 0x0b: p = "NICAM-I"; break;
+ case 0x0c: p = "NICAM-L"; break;
+ case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
+ case 0x0e: p = "IF FM Radio"; break;
+ case 0x0f: p = "BTSC"; break;
+ case 0x10: p = "high-deviation FM"; break;
+ case 0x11: p = "very high-deviation FM"; break;
+ case 0xfd: p = "unknown audio standard"; break;
+ case 0xfe: p = "forced audio standard"; break;
+ case 0xff: p = "no detected audio standard"; break;
+ default: p = "not defined";
+ }
+ v4l_info(client, "Detected audio standard: %s\n", p);
+ v4l_info(client, "Audio muted: %s\n",
+ (state->unmute_volume >= 0) ? "yes" : "no");
+ v4l_info(client, "Audio microcontroller: %s\n",
+ (download_ctl & 0x10) ?
+ ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
+
+ switch (audio_config >> 4) {
+ case 0x00: p = "undefined"; break;
+ case 0x01: p = "BTSC"; break;
+ case 0x02: p = "EIAJ"; break;
+ case 0x03: p = "A2-M"; break;
+ case 0x04: p = "A2-BG"; break;
+ case 0x05: p = "A2-DK1"; break;
+ case 0x06: p = "A2-DK2"; break;
+ case 0x07: p = "A2-DK3"; break;
+ case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
+ case 0x09: p = "AM-L"; break;
+ case 0x0a: p = "NICAM-BG"; break;
+ case 0x0b: p = "NICAM-DK"; break;
+ case 0x0c: p = "NICAM-I"; break;
+ case 0x0d: p = "NICAM-L"; break;
+ case 0x0e: p = "FM radio"; break;
+ case 0x0f: p = "automatic detection"; break;
+ default: p = "undefined";
+ }
+ v4l_info(client, "Configured audio standard: %s\n", p);
+
+ if ((audio_config >> 4) < 0xF) {
+ switch (audio_config & 0xF) {
+ case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
+ case 0x01: p = "MONO2 (LANGUAGE B)"; break;
+ case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
+ case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
+ case 0x04: p = "STEREO"; break;
+ case 0x05: p = "DUAL1 (AB)"; break;
+ case 0x06: p = "DUAL2 (AC) (FM)"; break;
+ case 0x07: p = "DUAL3 (BC) (FM)"; break;
+ case 0x08: p = "DUAL4 (AC) (AM)"; break;
+ case 0x09: p = "DUAL5 (BC) (AM)"; break;
+ case 0x0a: p = "SAP"; break;
+ default: p = "undefined";
+ }
+ v4l_info(client, "Configured audio mode: %s\n", p);
+ } else {
+ switch (audio_config & 0xF) {
+ case 0x00: p = "BG"; break;
+ case 0x01: p = "DK1"; break;
+ case 0x02: p = "DK2"; break;
+ case 0x03: p = "DK3"; break;
+ case 0x04: p = "I"; break;
+ case 0x05: p = "L"; break;
+ case 0x06: p = "BTSC"; break;
+ case 0x07: p = "EIAJ"; break;
+ case 0x08: p = "A2-M"; break;
+ case 0x09: p = "FM Radio"; break;
+ case 0x0f: p = "automatic standard and mode detection"; break;
+ default: p = "undefined";
+ }
+ v4l_info(client, "Configured audio system: %s\n", p);
+ }
+
+ if (aud_input) {
+ v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input);
+ } else {
+ v4l_info(client, "Specified audio input: External\n");
+ }
+
+ switch (pref_mode & 0xf) {
+ case 0: p = "mono/language A"; break;
+ case 1: p = "language B"; break;
+ case 2: p = "language C"; break;
+ case 3: p = "analog fallback"; break;
+ case 4: p = "stereo"; break;
+ case 5: p = "language AC"; break;
+ case 6: p = "language BC"; break;
+ case 7: p = "language AB"; break;
+ default: p = "undefined";
+ }
+ v4l_info(client, "Preferred audio mode: %s\n", p);
+
+ if ((audio_config & 0xf) == 0xf) {
+ switch ((afc0 >> 3) & 0x3) {
+ case 0: p = "system DK"; break;
+ case 1: p = "system L"; break;
+ case 2: p = "autodetect"; break;
+ default: p = "undefined";
+ }
+ v4l_info(client, "Selected 65 MHz format: %s\n", p);
+
+ switch (afc0 & 0x7) {
+ case 0: p = "chroma"; break;
+ case 1: p = "BTSC"; break;
+ case 2: p = "EIAJ"; break;
+ case 3: p = "A2-M"; break;
+ case 4: p = "autodetect"; break;
+ default: p = "undefined";
+ }
+ v4l_info(client, "Selected 45 MHz format: %s\n", p);
+ }
+}
+
+/* ----------------------------------------------------------------------- */
+
static int cx25840_command(struct i2c_client *client, unsigned int cmd,
void *arg)
{
@@ -660,6 +996,8 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
state->is_initialized = 1;
if (state->is_cx25836)
cx25836_initialize(client);
+ else if (state->is_cx23885)
+ cx23885_initialize(client);
else
cx25840_initialize(client);
}
@@ -677,6 +1015,7 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+
if (cmd == VIDIOC_DBG_G_REGISTER)
reg->val = cx25840_read(client, reg->reg & 0x0fff);
else
@@ -693,14 +1032,26 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
case VIDIOC_STREAMON:
v4l_dbg(1, cx25840_debug, client, "enable output\n");
- cx25840_write(client, 0x115, state->is_cx25836 ? 0x0c : 0x8c);
- cx25840_write(client, 0x116, state->is_cx25836 ? 0x04 : 0x07);
+ if (state->is_cx23885) {
+ u8 v = (cx25840_read(client, 0x421) | 0x0b);
+ cx25840_write(client, 0x421, v);
+ } else {
+ cx25840_write(client, 0x115,
+ state->is_cx25836 ? 0x0c : 0x8c);
+ cx25840_write(client, 0x116,
+ state->is_cx25836 ? 0x04 : 0x07);
+ }
break;
case VIDIOC_STREAMOFF:
v4l_dbg(1, cx25840_debug, client, "disable output\n");
- cx25840_write(client, 0x115, 0x00);
- cx25840_write(client, 0x116, 0x00);
+ if (state->is_cx23885) {
+ u8 v = cx25840_read(client, 0x421) & ~(0x0b);
+ cx25840_write(client, 0x421, v);
+ } else {
+ cx25840_write(client, 0x115, 0x00);
+ cx25840_write(client, 0x116, 0x00);
+ }
break;
case VIDIOC_LOG_STATUS:
@@ -863,6 +1214,8 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
case VIDIOC_INT_RESET:
if (state->is_cx25836)
cx25836_initialize(client);
+ else if (state->is_cx23885)
+ cx23885_initialize(client);
else
cx25840_initialize(client);
break;
@@ -879,35 +1232,21 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_cx25840;
-
-static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
- int kind)
+static int cx25840_probe(struct i2c_client *client)
{
- struct i2c_client *client;
struct cx25840_state *state;
u32 id;
u16 device_id;
- /* Check if the adapter supports the needed features
- * Not until kernel version 2.6.11 did the bit-algo
- * correctly report that it would do an I2C-level xfer */
- if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
- return 0;
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == 0)
- return -ENOMEM;
-
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_cx25840;
- snprintf(client->name, sizeof(client->name) - 1, "cx25840");
+ /* Check if the adapter supports the needed features */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
v4l_dbg(1, cx25840_debug, client, "detecting cx25840 client on address 0x%x\n", client->addr << 1);
device_id = cx25840_read(client, 0x101) << 8;
device_id |= cx25840_read(client, 0x100);
+ v4l_dbg(1, cx25840_debug, client, "device_id = 0x%04x\n", device_id);
/* The high byte of the device ID should be
* 0x83 for the cx2583x and 0x84 for the cx2584x */
@@ -916,16 +1255,18 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
}
else if ((device_id & 0xff00) == 0x8400) {
id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf);
+ } else if (device_id == 0x0000) {
+ id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
+ } else if (device_id == 0x1313) {
+ id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
}
else {
v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n");
- kfree(client);
- return 0;
+ return -ENODEV;
}
state = kzalloc(sizeof(struct cx25840_state), GFP_KERNEL);
if (state == NULL) {
- kfree(client);
return -ENOMEM;
}
@@ -939,6 +1280,7 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
i2c_set_clientdata(client, state);
state->c = client;
state->is_cx25836 = ((device_id & 0xff00) == 0x8300);
+ state->is_cx23885 = (device_id == 0x0000) || (device_id == 0x1313);
state->vid_input = CX25840_COMPOSITE7;
state->aud_input = CX25840_AUDIO8;
state->audclk_freq = 48000;
@@ -949,250 +1291,19 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
state->id = id;
state->rev = device_id;
- i2c_attach_client(client);
-
- return 0;
-}
-
-static int cx25840_attach_adapter(struct i2c_adapter *adapter)
-{
- if (adapter->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adapter, &addr_data, &cx25840_detect_client);
return 0;
}
-static int cx25840_detach_client(struct i2c_client *client)
+static int cx25840_remove(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(state);
- kfree(client);
-
+ kfree(i2c_get_clientdata(client));
return 0;
}
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_driver i2c_driver_cx25840 = {
- .driver = {
- .name = "cx25840",
- },
- .id = I2C_DRIVERID_CX25840,
- .attach_adapter = cx25840_attach_adapter,
- .detach_client = cx25840_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "cx25840",
+ .driverid = I2C_DRIVERID_CX25840,
.command = cx25840_command,
+ .probe = cx25840_probe,
+ .remove = cx25840_remove,
};
-
-
-static int __init m__init(void)
-{
- return i2c_add_driver(&i2c_driver_cx25840);
-}
-
-static void __exit m__exit(void)
-{
- i2c_del_driver(&i2c_driver_cx25840);
-}
-
-module_init(m__init);
-module_exit(m__exit);
-
-/* ----------------------------------------------------------------------- */
-
-static void log_video_status(struct i2c_client *client)
-{
- static const char *const fmt_strs[] = {
- "0x0",
- "NTSC-M", "NTSC-J", "NTSC-4.43",
- "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60",
- "0x9", "0xA", "0xB",
- "SECAM",
- "0xD", "0xE", "0xF"
- };
-
- struct cx25840_state *state = i2c_get_clientdata(client);
- u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf;
- u8 gen_stat1 = cx25840_read(client, 0x40d);
- u8 gen_stat2 = cx25840_read(client, 0x40e);
- int vid_input = state->vid_input;
-
- v4l_info(client, "Video signal: %spresent\n",
- (gen_stat2 & 0x20) ? "" : "not ");
- v4l_info(client, "Detected format: %s\n",
- fmt_strs[gen_stat1 & 0xf]);
-
- v4l_info(client, "Specified standard: %s\n",
- vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
-
- if (vid_input >= CX25840_COMPOSITE1 &&
- vid_input <= CX25840_COMPOSITE8) {
- v4l_info(client, "Specified video input: Composite %d\n",
- vid_input - CX25840_COMPOSITE1 + 1);
- } else {
- v4l_info(client, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
- (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
- }
-
- v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static void log_audio_status(struct i2c_client *client)
-{
- struct cx25840_state *state = i2c_get_clientdata(client);
- u8 download_ctl = cx25840_read(client, 0x803);
- u8 mod_det_stat0 = cx25840_read(client, 0x804);
- u8 mod_det_stat1 = cx25840_read(client, 0x805);
- u8 audio_config = cx25840_read(client, 0x808);
- u8 pref_mode = cx25840_read(client, 0x809);
- u8 afc0 = cx25840_read(client, 0x80b);
- u8 mute_ctl = cx25840_read(client, 0x8d3);
- int aud_input = state->aud_input;
- char *p;
-
- switch (mod_det_stat0) {
- case 0x00: p = "mono"; break;
- case 0x01: p = "stereo"; break;
- case 0x02: p = "dual"; break;
- case 0x04: p = "tri"; break;
- case 0x10: p = "mono with SAP"; break;
- case 0x11: p = "stereo with SAP"; break;
- case 0x12: p = "dual with SAP"; break;
- case 0x14: p = "tri with SAP"; break;
- case 0xfe: p = "forced mode"; break;
- default: p = "not defined";
- }
- v4l_info(client, "Detected audio mode: %s\n", p);
-
- switch (mod_det_stat1) {
- case 0x00: p = "not defined"; break;
- case 0x01: p = "EIAJ"; break;
- case 0x02: p = "A2-M"; break;
- case 0x03: p = "A2-BG"; break;
- case 0x04: p = "A2-DK1"; break;
- case 0x05: p = "A2-DK2"; break;
- case 0x06: p = "A2-DK3"; break;
- case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
- case 0x08: p = "AM-L"; break;
- case 0x09: p = "NICAM-BG"; break;
- case 0x0a: p = "NICAM-DK"; break;
- case 0x0b: p = "NICAM-I"; break;
- case 0x0c: p = "NICAM-L"; break;
- case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
- case 0x0e: p = "IF FM Radio"; break;
- case 0x0f: p = "BTSC"; break;
- case 0x10: p = "high-deviation FM"; break;
- case 0x11: p = "very high-deviation FM"; break;
- case 0xfd: p = "unknown audio standard"; break;
- case 0xfe: p = "forced audio standard"; break;
- case 0xff: p = "no detected audio standard"; break;
- default: p = "not defined";
- }
- v4l_info(client, "Detected audio standard: %s\n", p);
- v4l_info(client, "Audio muted: %s\n",
- (state->unmute_volume >= 0) ? "yes" : "no");
- v4l_info(client, "Audio microcontroller: %s\n",
- (download_ctl & 0x10) ?
- ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
-
- switch (audio_config >> 4) {
- case 0x00: p = "undefined"; break;
- case 0x01: p = "BTSC"; break;
- case 0x02: p = "EIAJ"; break;
- case 0x03: p = "A2-M"; break;
- case 0x04: p = "A2-BG"; break;
- case 0x05: p = "A2-DK1"; break;
- case 0x06: p = "A2-DK2"; break;
- case 0x07: p = "A2-DK3"; break;
- case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
- case 0x09: p = "AM-L"; break;
- case 0x0a: p = "NICAM-BG"; break;
- case 0x0b: p = "NICAM-DK"; break;
- case 0x0c: p = "NICAM-I"; break;
- case 0x0d: p = "NICAM-L"; break;
- case 0x0e: p = "FM radio"; break;
- case 0x0f: p = "automatic detection"; break;
- default: p = "undefined";
- }
- v4l_info(client, "Configured audio standard: %s\n", p);
-
- if ((audio_config >> 4) < 0xF) {
- switch (audio_config & 0xF) {
- case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
- case 0x01: p = "MONO2 (LANGUAGE B)"; break;
- case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
- case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
- case 0x04: p = "STEREO"; break;
- case 0x05: p = "DUAL1 (AB)"; break;
- case 0x06: p = "DUAL2 (AC) (FM)"; break;
- case 0x07: p = "DUAL3 (BC) (FM)"; break;
- case 0x08: p = "DUAL4 (AC) (AM)"; break;
- case 0x09: p = "DUAL5 (BC) (AM)"; break;
- case 0x0a: p = "SAP"; break;
- default: p = "undefined";
- }
- v4l_info(client, "Configured audio mode: %s\n", p);
- } else {
- switch (audio_config & 0xF) {
- case 0x00: p = "BG"; break;
- case 0x01: p = "DK1"; break;
- case 0x02: p = "DK2"; break;
- case 0x03: p = "DK3"; break;
- case 0x04: p = "I"; break;
- case 0x05: p = "L"; break;
- case 0x06: p = "BTSC"; break;
- case 0x07: p = "EIAJ"; break;
- case 0x08: p = "A2-M"; break;
- case 0x09: p = "FM Radio"; break;
- case 0x0f: p = "automatic standard and mode detection"; break;
- default: p = "undefined";
- }
- v4l_info(client, "Configured audio system: %s\n", p);
- }
-
- if (aud_input) {
- v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input);
- } else {
- v4l_info(client, "Specified audio input: External\n");
- }
-
- switch (pref_mode & 0xf) {
- case 0: p = "mono/language A"; break;
- case 1: p = "language B"; break;
- case 2: p = "language C"; break;
- case 3: p = "analog fallback"; break;
- case 4: p = "stereo"; break;
- case 5: p = "language AC"; break;
- case 6: p = "language BC"; break;
- case 7: p = "language AB"; break;
- default: p = "undefined";
- }
- v4l_info(client, "Preferred audio mode: %s\n", p);
-
- if ((audio_config & 0xf) == 0xf) {
- switch ((afc0 >> 3) & 0x3) {
- case 0: p = "system DK"; break;
- case 1: p = "system L"; break;
- case 2: p = "autodetect"; break;
- default: p = "undefined";
- }
- v4l_info(client, "Selected 65 MHz format: %s\n", p);
-
- switch (afc0 & 0x7) {
- case 0: p = "chroma"; break;
- case 1: p = "BTSC"; break;
- case 2: p = "EIAJ"; break;
- case 3: p = "A2-M"; break;
- case 4: p = "autodetect"; break;
- default: p = "undefined";
- }
- v4l_info(client, "Selected 45 MHz format: %s\n", p);
- }
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.