*
* VBI support by Hans Verkuil <hverkuil@xs4all.nl>.
*
+ * 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@linuxtv.org>.
+ *
* 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
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <linux/i2c.h>
-#include <media/audiochip.h>
+#include <linux/delay.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
+#include <media/cx25840.h>
-#include "cx25840.h"
+#include "cx25840-core.h"
MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver");
MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford");
MODULE_LICENSE("GPL");
-static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
-
-
-int cx25840_debug = 0;
+static int cx25840_debug;
-module_param(cx25840_debug, bool, 0644);
+module_param_named(debug,cx25840_debug, int, 0644);
-MODULE_PARM_DESC(cx25840_debug, "Debugging messages [0=Off (default) 1=On]");
+MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]");
-I2C_CLIENT_INSMOD;
/* ----------------------------------------------------------------------- */
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);
}
if (i2c_master_recv(client, buffer, 4) < 4)
return 0;
- return (buffer[0] << 24) | (buffer[1] << 16) |
- (buffer[2] << 8) | buffer[3];
+ return (buffer[3] << 24) | (buffer[2] << 16) |
+ (buffer[1] << 8) | buffer[0];
}
-int cx25840_and_or(struct i2c_client *client, u16 addr, u8 and_mask,
+int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask,
u8 or_value)
{
return cx25840_write(client, addr,
/* ----------------------------------------------------------------------- */
-static int set_input(struct i2c_client *, enum cx25840_input);
-static void input_change(struct i2c_client *);
-static void log_status(struct i2c_client *client);
+static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
+ enum cx25840_audio_input aud_input);
/* ----------------------------------------------------------------------- */
-static inline void init_dll1(struct i2c_client *client)
+static void init_dll1(struct i2c_client *client)
{
/* This is the Hauppauge sequence used to
* initialize the Delay Lock Loop 1 (ADC DLL). */
cx25840_write(client, 0x159, 0x23);
cx25840_write(client, 0x15a, 0x87);
cx25840_write(client, 0x15b, 0x06);
+ udelay(10);
cx25840_write(client, 0x159, 0xe1);
+ udelay(10);
cx25840_write(client, 0x15a, 0x86);
cx25840_write(client, 0x159, 0xe0);
cx25840_write(client, 0x159, 0xe1);
cx25840_write(client, 0x15b, 0x10);
}
-static inline void init_dll2(struct i2c_client *client)
+static void init_dll2(struct i2c_client *client)
{
/* This is the Hauppauge sequence used to
* initialize the Delay Lock Loop 2 (ADC DLL). */
cx25840_write(client, 0x15d, 0xe3);
cx25840_write(client, 0x15e, 0x86);
cx25840_write(client, 0x15f, 0x06);
+ udelay(10);
cx25840_write(client, 0x15d, 0xe1);
cx25840_write(client, 0x15d, 0xe0);
cx25840_write(client, 0x15d, 0xe1);
}
-static void cx25840_initialize(struct i2c_client *client, int loadfw)
+static void cx25836_initialize(struct i2c_client *client)
+{
+ /* reset configuration is described on page 3-77 of the CX25836 datasheet */
+ /* 2. */
+ cx25840_and_or(client, 0x000, ~0x01, 0x01);
+ cx25840_and_or(client, 0x000, ~0x01, 0x00);
+ /* 3a. */
+ cx25840_and_or(client, 0x15a, ~0x70, 0x00);
+ /* 3b. */
+ cx25840_and_or(client, 0x15b, ~0x1e, 0x06);
+ /* 3c. */
+ cx25840_and_or(client, 0x159, ~0x02, 0x02);
+ /* 3d. */
+ udelay(10);
+ /* 3e. */
+ cx25840_and_or(client, 0x159, ~0x02, 0x00);
+ /* 3f. */
+ cx25840_and_or(client, 0x159, ~0xc0, 0xc0);
+ /* 3g. */
+ cx25840_and_or(client, 0x159, ~0x01, 0x00);
+ cx25840_and_or(client, 0x159, ~0x01, 0x01);
+ /* 3h. */
+ cx25840_and_or(client, 0x15b, ~0x1e, 0x10);
+}
+
+static void cx25840_work_handler(struct work_struct *work)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = container_of(work, struct cx25840_state, fw_work);
+ cx25840_loadfw(state->c);
+ wake_up(&state->fw_wait);
+}
+
+static void cx25840_initialize(struct i2c_client *client)
+{
+ DEFINE_WAIT(wait);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ struct workqueue_struct *q;
/* datasheet startup in numbered steps, refer to page 3-77 */
/* 2. */
cx25840_write(client, 0x13c, 0x01);
cx25840_write(client, 0x13c, 0x00);
/* 5. */
- if (loadfw)
- cx25840_loadfw(client);
+ /* 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);
+
/* 6. */
cx25840_write(client, 0x115, 0x8c);
cx25840_write(client, 0x116, 0x07);
cx25840_write(client, 0x4a5, 0x00);
cx25840_write(client, 0x402, 0x00);
/* 8. */
- cx25840_write(client, 0x401, 0x18);
- cx25840_write(client, 0x4a2, 0x10);
- cx25840_write(client, 0x402, 0x04);
+ cx25840_and_or(client, 0x401, ~0x18, 0);
+ cx25840_and_or(client, 0x4a2, ~0x10, 0x10);
+ /* steps 8c and 8d are done in change_input() */
/* 10. */
cx25840_write(client, 0x8d3, 0x1f);
cx25840_write(client, 0x8e3, 0x03);
- cx25840_vbi_setup(client);
+ cx25840_std_setup(client);
/* trial and error says these are needed to get audio */
cx25840_write(client, 0x914, 0xa0);
/* AC97 shift */
cx25840_write(client, 0x8cf, 0x0f);
- /* (re)set video input */
- set_input(client, state->input);
- /* (re)set audio input */
- cx25840_audio(client, AUDC_SET_INPUT, &state->audio_input);
+ /* (re)set input */
+ set_input(client, state->vid_input, state->aud_input);
+
+ /* start microcontroller */
+ cx25840_and_or(client, 0x803, ~0x10, 0x10);
+}
+
+static void cx23885_initialize(struct i2c_client *client)
+{
+ DEFINE_WAIT(wait);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ struct workqueue_struct *q;
+
+ /*
+ * Come out of digital power down
+ * The CX23888, at least, needs this, otherwise registers aside from
+ * 0x0-0x2 can't be read or written.
+ */
+ cx25840_write(client, 0x000, 0);
+
+ /* 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
+ * '885: 28.636363... MHz
+ * '887: 25.000000 MHz
+ * '888: 50.000000 MHz
+ */
+ cx25840_write(client, 0x2, 0x76);
+
+ /* Power up all the PLL's and DLL */
+ cx25840_write(client, 0x1, 0x40);
+
+ /* Sys PLL */
+ switch (state->id) {
+ case V4L2_IDENT_CX23888_AV:
+ /*
+ * 50.0 MHz * (0xb + 0xe8ba26/0x2000000)/4 = 5 * 28.636363 MHz
+ * 572.73 MHz before post divide
+ */
+ cx25840_write4(client, 0x11c, 0x00e8ba26);
+ cx25840_write4(client, 0x118, 0x0000040b);
+ break;
+ case V4L2_IDENT_CX23887_AV:
+ /*
+ * 25.0 MHz * (0x16 + 0x1d1744c/0x2000000)/4 = 5 * 28.636363 MHz
+ * 572.73 MHz before post divide
+ */
+ cx25840_write4(client, 0x11c, 0x01d1744c);
+ cx25840_write4(client, 0x118, 0x00000416);
+ break;
+ case V4L2_IDENT_CX23885_AV:
+ default:
+ /*
+ * 28.636363 MHz * (0x14 + 0x0/0x2000000)/4 = 5 * 28.636363 MHz
+ * 572.73 MHz before post divide
+ */
+ cx25840_write4(client, 0x11c, 0x00000000);
+ cx25840_write4(client, 0x118, 0x00000414);
+ break;
+ }
+
+ /* Disable DIF bypass */
+ cx25840_write4(client, 0x33c, 0x00000001);
+
+ /* DIF Src phase inc */
+ cx25840_write4(client, 0x340, 0x0df7df83);
+
+ /*
+ * Vid PLL
+ * Setup for a BT.656 pixel clock of 13.5 Mpixels/second
+ *
+ * 28.636363 MHz * (0xf + 0x02be2c9/0x2000000)/4 = 8 * 13.5 MHz
+ * 432.0 MHz before post divide
+ */
+ cx25840_write4(client, 0x10c, 0x002be2c9);
+ cx25840_write4(client, 0x108, 0x0000040f);
+
+ /* Luma */
+ cx25840_write4(client, 0x414, 0x00107d12);
+
+ /* Chroma */
+ cx25840_write4(client, 0x420, 0x3d008282);
+
+ /*
+ * Aux PLL
+ * Initial setup for audio sample clock:
+ * 48 ksps, 16 bits/sample, x160 multiplier = 122.88 MHz
+ * Intial I2S output/master clock(?):
+ * 48 ksps, 16 bits/sample, x16 multiplier = 12.288 MHz
+ */
+ switch (state->id) {
+ case V4L2_IDENT_CX23888_AV:
+ /*
+ * 50.0 MHz * (0x7 + 0x0bedfa4/0x2000000)/3 = 122.88 MHz
+ * 368.64 MHz before post divide
+ * 122.88 MHz / 0xa = 12.288 MHz
+ */
+ cx25840_write4(client, 0x114, 0x00bedfa4);
+ cx25840_write4(client, 0x110, 0x000a0307);
+ break;
+ case V4L2_IDENT_CX23887_AV:
+ /*
+ * 25.0 MHz * (0xe + 0x17dbf48/0x2000000)/3 = 122.88 MHz
+ * 368.64 MHz before post divide
+ * 122.88 MHz / 0xa = 12.288 MHz
+ */
+ cx25840_write4(client, 0x114, 0x017dbf48);
+ cx25840_write4(client, 0x110, 0x000a030e);
+ break;
+ case V4L2_IDENT_CX23885_AV:
+ default:
+ /*
+ * 28.636363 MHz * (0xc + 0x1bf0c9e/0x2000000)/3 = 122.88 MHz
+ * 368.64 MHz before post divide
+ * 122.88 MHz / 0xa = 12.288 MHz
+ */
+ cx25840_write4(client, 0x114, 0x01bf0c9e);
+ cx25840_write4(client, 0x110, 0x000a030c);
+ break;
+ };
+
+ /* 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);
+
+ /* Drive GPIO2 direction and values for HVR1700
+ * where an onboard mux selects the output of demodulator
+ * vs the 417. Failure to set this results in no DTV.
+ * It's safe to set this across all Hauppauge boards
+ * currently, regardless of the board type.
+ */
+ cx25840_write(client, 0x160, 0x1d);
+ cx25840_write(client, 0x164, 0x00);
+
+ /* 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_std_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)
+static void cx231xx_initialize(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
- v4l2_std_id std = cx25840_get_v4lstd(client);
+ DEFINE_WAIT(wait);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ struct workqueue_struct *q;
- /* Note: perhaps V4L2_STD_PAL_M should be handled as V4L2_STD_NTSC
- instead of V4L2_STD_PAL. Someone needs to test this. */
- if (std & V4L2_STD_PAL) {
- /* Follow tuner change procedure for PAL */
- cx25840_write(client, 0x808, 0xff);
- cx25840_write(client, 0x80b, 0x10);
- } else if (std & V4L2_STD_SECAM) {
- /* Select autodetect for SECAM */
- cx25840_write(client, 0x808, 0xff);
- cx25840_write(client, 0x80b, 0x10);
- } else if (std & V4L2_STD_NTSC) {
- /* NTSC */
- if (state->cardtype == CARDTYPE_PVR150_WORKAROUND) {
- /* Certain Hauppauge PVR150 models have a hardware bug
- that causes audio to drop out. For these models the
- audio standard must be set explicitly.
- To be precise: it affects cards with tuner models
- 85, 99 and 112 (model numbers from tveeprom). */
- if (std == V4L2_STD_NTSC_M_JP) {
- /* Japan uses EIAJ audio standard */
- cx25840_write(client, 0x808, 0x2f);
- } else {
- /* Others use the BTSC audio standard */
- cx25840_write(client, 0x808, 0x1f);
- }
- /* South Korea uses the A2-M (aka Zweiton M) audio
- standard, and should set 0x808 to 0x3f, but I don't
- know how to detect this. */
- } else if (std == V4L2_STD_NTSC_M_JP) {
- /* Japan uses EIAJ audio standard */
- cx25840_write(client, 0x808, 0xf7);
+ /* 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);
+
+ /* Disable DIF bypass */
+ cx25840_write4(client, 0x33c, 0x00000001);
+
+ /* DIF Src phase inc */
+ cx25840_write4(client, 0x340, 0x0df7df83);
+
+ /* Luma */
+ cx25840_write4(client, 0x414, 0x00107d12);
+
+ /* Chroma */
+ cx25840_write4(client, 0x420, 0x3d008282);
+
+ /* 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);
+
+ /* 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_std_setup(client);
+
+ /* (re)set input */
+ set_input(client, state->vid_input, state->aud_input);
+
+ /* start microcontroller */
+ cx25840_and_or(client, 0x803, ~0x10, 0x10);
+}
+
+/* ----------------------------------------------------------------------- */
+
+void cx25840_std_setup(struct i2c_client *client)
+{
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ v4l2_std_id std = state->std;
+ int hblank, hactive, burst, vblank, vactive, sc;
+ int vblank656, src_decimation;
+ int luma_lpf, uv_lpf, comb;
+ u32 pll_int, pll_frac, pll_post;
+
+ /* datasheet startup, step 8d */
+ if (std & ~V4L2_STD_NTSC)
+ cx25840_write(client, 0x49f, 0x11);
+ else
+ cx25840_write(client, 0x49f, 0x14);
+
+ if (std & V4L2_STD_625_50) {
+ hblank = 132;
+ hactive = 720;
+ burst = 93;
+ vblank = 36;
+ vactive = 580;
+ vblank656 = 40;
+ src_decimation = 0x21f;
+ luma_lpf = 2;
+
+ if (std & V4L2_STD_SECAM) {
+ uv_lpf = 0;
+ comb = 0;
+ sc = 0x0a425f;
+ } else if (std == V4L2_STD_PAL_Nc) {
+ uv_lpf = 1;
+ comb = 0x20;
+ sc = 556453;
} else {
- /* Others use the BTSC audio standard */
- cx25840_write(client, 0x808, 0xf6);
+ uv_lpf = 1;
+ comb = 0x20;
+ sc = 688739;
+ }
+ } else {
+ hactive = 720;
+ hblank = 122;
+ vactive = 487;
+ luma_lpf = 1;
+ uv_lpf = 1;
+
+ src_decimation = 0x21f;
+ if (std == V4L2_STD_PAL_60) {
+ vblank = 26;
+ vblank656 = 26;
+ burst = 0x5b;
+ luma_lpf = 2;
+ comb = 0x20;
+ sc = 688739;
+ } else if (std == V4L2_STD_PAL_M) {
+ vblank = 20;
+ vblank656 = 24;
+ burst = 0x61;
+ comb = 0x20;
+ sc = 555452;
+ } else {
+ vblank = 26;
+ vblank656 = 26;
+ burst = 0x5b;
+ comb = 0x66;
+ sc = 556063;
}
- /* South Korea uses the A2-M (aka Zweiton M) audio standard,
- and should set 0x808 to 0xf8, but I don't know how to
- detect this. */
- cx25840_write(client, 0x80b, 0x00);
}
- if (cx25840_read(client, 0x803) & 0x10) {
- /* restart audio decoder microcontroller */
- cx25840_and_or(client, 0x803, ~0x10, 0x00);
- cx25840_and_or(client, 0x803, ~0x10, 0x10);
+ /* DEBUG: Displays configured PLL frequency */
+ if (!is_cx231xx(state)) {
+ pll_int = cx25840_read(client, 0x108);
+ pll_frac = cx25840_read4(client, 0x10c) & 0x1ffffff;
+ pll_post = cx25840_read(client, 0x109);
+ v4l_dbg(1, cx25840_debug, client,
+ "PLL regs = int: %u, frac: %u, post: %u\n",
+ pll_int, pll_frac, pll_post);
+
+ if (pll_post) {
+ int fin, fsc;
+ int pll = (28636363L * ((((u64)pll_int) << 25L) + pll_frac)) >> 25L;
+
+ pll /= pll_post;
+ v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n",
+ pll / 1000000, pll % 1000000);
+ v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n",
+ pll / 8000000, (pll / 8) % 1000000);
+
+ fin = ((u64)src_decimation * pll) >> 12;
+ v4l_dbg(1, cx25840_debug, client,
+ "ADC Sampling freq = %d.%06d MHz\n",
+ fin / 1000000, fin % 1000000);
+
+ fsc = (((u64)sc) * pll) >> 24L;
+ v4l_dbg(1, cx25840_debug, client,
+ "Chroma sub-carrier freq = %d.%06d MHz\n",
+ fsc / 1000000, fsc % 1000000);
+
+ v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, "
+ "vblank %i, vactive %i, vblank656 %i, src_dec %i, "
+ "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, "
+ "sc 0x%06x\n",
+ hblank, hactive, vblank, vactive, vblank656,
+ src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
+ }
}
-}
-static int set_input(struct i2c_client *client, enum cx25840_input input)
-{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ /* Sets horizontal blanking delay and active lines */
+ cx25840_write(client, 0x470, hblank);
+ cx25840_write(client, 0x471,
+ 0xff & (((hblank >> 8) & 0x3) | (hactive << 4)));
+ cx25840_write(client, 0x472, hactive >> 4);
+
+ /* Sets burst gate delay */
+ cx25840_write(client, 0x473, burst);
+
+ /* Sets vertical blanking delay and active duration */
+ cx25840_write(client, 0x474, vblank);
+ cx25840_write(client, 0x475,
+ 0xff & (((vblank >> 8) & 0x3) | (vactive << 4)));
+ cx25840_write(client, 0x476, vactive >> 4);
+ cx25840_write(client, 0x477, vblank656);
+
+ /* Sets src decimation rate */
+ cx25840_write(client, 0x478, 0xff & src_decimation);
+ cx25840_write(client, 0x479, 0xff & (src_decimation >> 8));
+
+ /* Sets Luma and UV Low pass filters */
+ cx25840_write(client, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30));
+
+ /* Enables comb filters */
+ cx25840_write(client, 0x47b, comb);
+
+ /* Sets SC Step*/
+ cx25840_write(client, 0x47c, sc);
+ cx25840_write(client, 0x47d, 0xff & sc >> 8);
+ cx25840_write(client, 0x47e, 0xff & sc >> 16);
+
+ /* Sets VBI parameters */
+ if (std & V4L2_STD_625_50) {
+ cx25840_write(client, 0x47f, 0x01);
+ state->vbi_line_offset = 5;
+ } else {
+ cx25840_write(client, 0x47f, 0x00);
+ state->vbi_line_offset = 8;
+ }
+}
- cx25840_dbg("decoder set input (%d)\n", input);
+/* ----------------------------------------------------------------------- */
- switch (input) {
- case CX25840_TUNER:
- cx25840_dbg("now setting Tuner input\n");
+static void input_change(struct i2c_client *client)
+{
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ v4l2_std_id std = state->std;
- if (state->cardtype == CARDTYPE_PVR150 ||
- state->cardtype == CARDTYPE_PVR150_WORKAROUND) {
- /* CH_SEL_ADC2=1 */
- cx25840_and_or(client, 0x102, ~0x2, 0x02);
- }
+ /* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */
+ if (std & V4L2_STD_SECAM) {
+ cx25840_write(client, 0x402, 0);
+ }
+ else {
+ cx25840_write(client, 0x402, 0x04);
+ cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
+ }
+ cx25840_and_or(client, 0x401, ~0x60, 0);
+ cx25840_and_or(client, 0x401, ~0x60, 0x60);
+ cx25840_and_or(client, 0x810, ~0x01, 1);
- /* Video Input Control */
- if (state->cardtype == CARDTYPE_PG600) {
- cx25840_write(client, 0x103, 0x11);
+ if (state->radio) {
+ cx25840_write(client, 0x808, 0xf9);
+ cx25840_write(client, 0x80b, 0x00);
+ }
+ else if (std & V4L2_STD_525_60) {
+ /* Certain Hauppauge PVR150 models have a hardware bug
+ that causes audio to drop out. For these models the
+ audio standard must be set explicitly.
+ To be precise: it affects cards with tuner models
+ 85, 99 and 112 (model numbers from tveeprom). */
+ int hw_fix = state->pvr150_workaround;
+
+ if (std == V4L2_STD_NTSC_M_JP) {
+ /* Japan uses EIAJ audio standard */
+ cx25840_write(client, 0x808, hw_fix ? 0x2f : 0xf7);
+ } else if (std == V4L2_STD_NTSC_M_KR) {
+ /* South Korea uses A2 audio standard */
+ cx25840_write(client, 0x808, hw_fix ? 0x3f : 0xf8);
} else {
- cx25840_write(client, 0x103, 0x46);
+ /* Others use the BTSC audio standard */
+ cx25840_write(client, 0x808, hw_fix ? 0x1f : 0xf6);
}
+ cx25840_write(client, 0x80b, 0x00);
+ } else if (std & V4L2_STD_PAL) {
+ /* Autodetect audio standard and audio system */
+ cx25840_write(client, 0x808, 0xff);
+ /* Since system PAL-L is pretty much non-existant and
+ not used by any public broadcast network, force
+ 6.5 MHz carrier to be interpreted as System DK,
+ this avoids DK audio detection instability */
+ cx25840_write(client, 0x80b, 0x00);
+ } else if (std & V4L2_STD_SECAM) {
+ /* Autodetect audio standard and audio system */
+ cx25840_write(client, 0x808, 0xff);
+ /* If only one of SECAM-DK / SECAM-L is required, then force
+ 6.5MHz carrier, else autodetect it */
+ if ((std & V4L2_STD_SECAM_DK) &&
+ !(std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) {
+ /* 6.5 MHz carrier to be interpreted as System DK */
+ cx25840_write(client, 0x80b, 0x00);
+ } else if (!(std & V4L2_STD_SECAM_DK) &&
+ (std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) {
+ /* 6.5 MHz carrier to be interpreted as System L */
+ cx25840_write(client, 0x80b, 0x08);
+ } else {
+ /* 6.5 MHz carrier to be autodetected */
+ cx25840_write(client, 0x80b, 0x10);
+ }
+ }
- /* INPUT_MODE=0 */
- cx25840_and_or(client, 0x401, ~0x6, 0x00);
- break;
-
- case CX25840_COMPOSITE0:
- case CX25840_COMPOSITE1:
- cx25840_dbg("now setting Composite input\n");
+ cx25840_and_or(client, 0x810, ~0x01, 0);
+}
- /* Video Input Control */
- if (state->cardtype == CARDTYPE_PG600) {
- cx25840_write(client, 0x103, 0x00);
+static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
+ enum cx25840_audio_input aud_input)
+{
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ u8 is_composite = (vid_input >= CX25840_COMPOSITE1 &&
+ vid_input <= CX25840_COMPOSITE8);
+ u8 is_component = (vid_input & CX25840_COMPONENT_ON) ==
+ CX25840_COMPONENT_ON;
+ int luma = vid_input & 0xf0;
+ int chroma = vid_input & 0xf00;
+ u8 reg;
+
+ 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 if ((vid_input & CX25840_COMPONENT_ON) == 0)
+ 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 {
+ if ((vid_input & ~0xff0) ||
+ luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA8 ||
+ chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) {
+ v4l_err(client, "0x%04x is not a valid video input!\n",
+ vid_input);
+ return -EINVAL;
+ }
+ reg = 0xf0 + ((luma - CX25840_SVIDEO_LUMA1) >> 4);
+ if (chroma >= CX25840_SVIDEO_CHROMA7) {
+ reg &= 0x3f;
+ reg |= (chroma - CX25840_SVIDEO_CHROMA7) >> 2;
} else {
- cx25840_write(client, 0x103, 0x02);
+ reg &= 0xcf;
+ reg |= (chroma - CX25840_SVIDEO_CHROMA4) >> 4;
}
+ }
- /* INPUT_MODE=0 */
- cx25840_and_or(client, 0x401, ~0x6, 0x00);
- 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 (!is_cx2388x(state) && !is_cx231xx(state)) {
+ 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;
+ }
+ }
- case CX25840_SVIDEO0:
- case CX25840_SVIDEO1:
- cx25840_dbg("now setting S-Video input\n");
+ cx25840_write(client, 0x103, reg);
- /* CH_SEL_ADC2=0 */
- cx25840_and_or(client, 0x102, ~0x2, 0x00);
+ /* Set INPUT_MODE to Composite, S-Video or Component */
+ if (is_component)
+ cx25840_and_or(client, 0x401, ~0x6, 0x6);
+ else
+ cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
- /* Video Input Control */
- if (state->cardtype == CARDTYPE_PG600) {
- cx25840_write(client, 0x103, 0x02);
- } else {
- cx25840_write(client, 0x103, 0x10);
+ if (!is_cx2388x(state) && !is_cx231xx(state)) {
+ /* 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 {
+ /* Set DUAL_MODE_ADC2 to 1 if component*/
+ cx25840_and_or(client, 0x102, ~0x4, is_component ? 0x4 : 0x0);
+ if (is_composite) {
+ /* ADC2 input select channel 2 */
+ cx25840_and_or(client, 0x102, ~0x2, 0);
+ } else if (!is_component) {
+ /* S-Video */
+ if (chroma >= CX25840_SVIDEO_CHROMA7) {
+ /* ADC2 input select channel 3 */
+ cx25840_and_or(client, 0x102, ~0x2, 2);
+ } else {
+ /* ADC2 input select channel 2 */
+ cx25840_and_or(client, 0x102, ~0x2, 0);
+ }
}
+ }
- /* INPUT_MODE=1 */
- cx25840_and_or(client, 0x401, ~0x6, 0x02);
- break;
+ state->vid_input = vid_input;
+ state->aud_input = aud_input;
+ if (!is_cx2583x(state)) {
+ cx25840_audio_set_path(client);
+ input_change(client);
+ }
- default:
- cx25840_err("%d is not a valid input!\n", input);
- return -EINVAL;
+ if (is_cx2388x(state)) {
+ /* 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);
+ } else if (is_cx231xx(state)) {
+ /* Audio channel 1 src : Parallel 1 */
+ cx25840_write(client, 0x124, 0x03);
+
+ /* 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);
}
- state->input = input;
- input_change(client);
return 0;
}
/* ----------------------------------------------------------------------- */
-static int set_v4lstd(struct i2c_client *client, v4l2_std_id std)
+static int set_v4lstd(struct i2c_client *client)
{
- u8 fmt=0; /* zero is autodetect */
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ u8 fmt = 0; /* zero is autodetect */
+ u8 pal_m = 0;
/* First tests should be against specific std */
- if (std & V4L2_STD_NTSC_M_JP) {
- fmt=0x2;
- } else if (std & V4L2_STD_NTSC_443) {
- fmt=0x3;
- } else if (std & V4L2_STD_PAL_M) {
- fmt=0x5;
- } else if (std & V4L2_STD_PAL_N) {
- fmt=0x6;
- } else if (std & V4L2_STD_PAL_Nc) {
- fmt=0x7;
- } else if (std & V4L2_STD_PAL_60) {
- fmt=0x8;
+ if (state->std == V4L2_STD_NTSC_M_JP) {
+ fmt = 0x2;
+ } else if (state->std == V4L2_STD_NTSC_443) {
+ fmt = 0x3;
+ } else if (state->std == V4L2_STD_PAL_M) {
+ pal_m = 1;
+ fmt = 0x5;
+ } else if (state->std == V4L2_STD_PAL_N) {
+ fmt = 0x6;
+ } else if (state->std == V4L2_STD_PAL_Nc) {
+ fmt = 0x7;
+ } else if (state->std == V4L2_STD_PAL_60) {
+ fmt = 0x8;
} else {
/* Then, test against generic ones */
- if (std & V4L2_STD_NTSC) {
- fmt=0x1;
- } else if (std & V4L2_STD_PAL) {
- fmt=0x4;
- } else if (std & V4L2_STD_SECAM) {
- fmt=0xc;
- }
+ if (state->std & V4L2_STD_NTSC)
+ fmt = 0x1;
+ else if (state->std & V4L2_STD_PAL)
+ fmt = 0x4;
+ else if (state->std & V4L2_STD_SECAM)
+ fmt = 0xc;
}
- cx25840_and_or(client, 0x400, ~0xf, fmt);
- cx25840_vbi_setup(client);
- return 0;
-}
-
-v4l2_std_id cx25840_get_v4lstd(struct i2c_client * client)
-{
- /* check VID_FMT_SEL first */
- u8 fmt = cx25840_read(client, 0x400) & 0xf;
+ v4l_dbg(1, cx25840_debug, client, "changing video std to fmt %i\n",fmt);
- if (!fmt) {
- /* check AFD_FMT_STAT if set to autodetect */
- fmt = cx25840_read(client, 0x40d) & 0xf;
- }
-
- switch (fmt) {
- case 0x1: return V4L2_STD_NTSC_M;
- case 0x2: return V4L2_STD_NTSC_M_JP;
- case 0x3: return V4L2_STD_NTSC_443;
- case 0x4: return V4L2_STD_PAL;
- case 0x5: return V4L2_STD_PAL_M;
- case 0x6: return V4L2_STD_PAL_N;
- case 0x7: return V4L2_STD_PAL_Nc;
- case 0x8: return V4L2_STD_PAL_60;
- case 0xc: return V4L2_STD_SECAM;
- default: return V4L2_STD_UNKNOWN;
+ /* Follow step 9 of section 3.16 in the cx25840 datasheet.
+ Without this PAL may display a vertical ghosting effect.
+ This happens for example with the Yuan MPC622. */
+ if (fmt >= 4 && fmt < 8) {
+ /* Set format to NTSC-M */
+ cx25840_and_or(client, 0x400, ~0xf, 1);
+ /* Turn off LCOMB */
+ cx25840_and_or(client, 0x47b, ~6, 0);
}
+ cx25840_and_or(client, 0x400, ~0xf, fmt);
+ cx25840_and_or(client, 0x403, ~0x3, pal_m);
+ cx25840_std_setup(client);
+ if (!is_cx2583x(state))
+ input_change(client);
+ return 0;
}
/* ----------------------------------------------------------------------- */
-static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
+static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
- case CX25840_CID_CARDTYPE:
- switch (ctrl->value) {
- case CARDTYPE_PVR150:
- case CARDTYPE_PVR150_WORKAROUND:
- case CARDTYPE_PG600:
- state->cardtype = ctrl->value;
- break;
- default:
- return -ERANGE;
- }
-
- set_input(client, state->input);
+ case CX25840_CID_ENABLE_PVR150_WORKAROUND:
+ state->pvr150_workaround = ctrl->value;
+ set_input(client, state->vid_input, state->aud_input);
break;
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
- cx25840_err("invalid brightness setting %d\n",
+ v4l_err(client, "invalid brightness setting %d\n",
ctrl->value);
return -ERANGE;
}
case V4L2_CID_CONTRAST:
if (ctrl->value < 0 || ctrl->value > 127) {
- cx25840_err("invalid contrast setting %d\n",
+ v4l_err(client, "invalid contrast setting %d\n",
ctrl->value);
return -ERANGE;
}
case V4L2_CID_SATURATION:
if (ctrl->value < 0 || ctrl->value > 127) {
- cx25840_err("invalid saturation setting %d\n",
+ v4l_err(client, "invalid saturation setting %d\n",
ctrl->value);
return -ERANGE;
}
break;
case V4L2_CID_HUE:
- if (ctrl->value < -127 || ctrl->value > 127) {
- cx25840_err("invalid hue setting %d\n", ctrl->value);
+ if (ctrl->value < -128 || ctrl->value > 127) {
+ v4l_err(client, "invalid hue setting %d\n", ctrl->value);
return -ERANGE;
}
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
- return cx25840_audio(client, VIDIOC_S_CTRL, ctrl);
+ if (is_cx2583x(state))
+ return -EINVAL;
+ return cx25840_audio_s_ctrl(sd, ctrl);
+
+ default:
+ return -EINVAL;
}
return 0;
}
-static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
+static int cx25840_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
- case CX25840_CID_CARDTYPE:
- ctrl->value = state->cardtype;
+ case CX25840_CID_ENABLE_PVR150_WORKAROUND:
+ ctrl->value = state->pvr150_workaround;
break;
case V4L2_CID_BRIGHTNESS:
- ctrl->value = cx25840_read(client, 0x414) + 128;
+ ctrl->value = (s8)cx25840_read(client, 0x414) + 128;
break;
case V4L2_CID_CONTRAST:
ctrl->value = cx25840_read(client, 0x415) >> 1;
ctrl->value = cx25840_read(client, 0x420) >> 1;
break;
case V4L2_CID_HUE:
- ctrl->value = cx25840_read(client, 0x422);
+ ctrl->value = (s8)cx25840_read(client, 0x422);
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
- return cx25840_audio(client, VIDIOC_G_CTRL, ctrl);
+ if (is_cx2583x(state))
+ return -EINVAL;
+ return cx25840_audio_g_ctrl(sd, ctrl);
default:
return -EINVAL;
}
/* ----------------------------------------------------------------------- */
-static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
+static int cx25840_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
switch (fmt->type) {
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- return cx25840_vbi(client, VIDIOC_G_FMT, fmt);
+ return cx25840_vbi_g_fmt(sd, fmt);
default:
return -EINVAL;
}
-
return 0;
}
-static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
+static int cx25840_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
struct v4l2_pix_format *pix;
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
- int is_pal = !(cx25840_get_v4lstd(client) & V4L2_STD_NTSC);
+ int is_50Hz = !(state->std & V4L2_STD_525_60);
switch (fmt->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4;
Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4;
- Vlines = pix->height + (is_pal ? 4 : 7);
+ Vlines = pix->height + (is_50Hz ? 4 : 7);
if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) ||
(Vlines * 8 < Vsrc) || (Vsrc < Vlines)) {
- cx25840_err("%dx%d is not a valid size!\n",
+ v4l_err(client, "%dx%d is not a valid size!\n",
pix->width, pix->height);
return -ERANGE;
}
else
filter = 3;
- cx25840_dbg("decoder set size %dx%d -> scale %ux%u\n",
+ v4l_dbg(1, cx25840_debug, client, "decoder set size %dx%d -> scale %ux%u\n",
pix->width, pix->height, HSC, VSC);
/* HSCALE=HSC */
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
+ return cx25840_vbi_s_fmt(sd, fmt);
case V4L2_BUF_TYPE_VBI_CAPTURE:
- return cx25840_vbi(client, VIDIOC_S_FMT, fmt);
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int cx25840_command(struct i2c_client *client, unsigned int cmd,
- void *arg)
-{
- struct cx25840_state *state = i2c_get_clientdata(client);
- struct v4l2_tuner *vt = arg;
- int result = 0;
-
- switch (cmd) {
- case 0:
- break;
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- /* ioctls to allow direct access to the
- * cx25840 registers for testing */
- case VIDIOC_INT_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_CX25840)
- return -EINVAL;
- reg->val = cx25840_read(client, reg->reg & 0x0fff);
- break;
- }
-
- case VIDIOC_INT_S_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_CX25840)
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
- break;
- }
-#endif
-
- case VIDIOC_INT_DECODE_VBI_LINE:
- return cx25840_vbi(client, cmd, arg);
-
- case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- case AUDC_SET_INPUT:
- result = cx25840_audio(client, cmd, arg);
- break;
-
- case VIDIOC_STREAMON:
- cx25840_dbg("enable output\n");
- cx25840_write(client, 0x115, 0x8c);
- cx25840_write(client, 0x116, 0x07);
- break;
-
- case VIDIOC_STREAMOFF:
- cx25840_dbg("disable output\n");
- cx25840_write(client, 0x115, 0x00);
- cx25840_write(client, 0x116, 0x00);
- break;
-
- case VIDIOC_LOG_STATUS:
- log_status(client);
- break;
-
- case VIDIOC_G_CTRL:
- result = get_v4lctrl(client, (struct v4l2_control *)arg);
- break;
-
- case VIDIOC_S_CTRL:
- result = set_v4lctrl(client, (struct v4l2_control *)arg);
- break;
-
- case VIDIOC_G_STD:
- *(v4l2_std_id *)arg = cx25840_get_v4lstd(client);
- break;
-
- case VIDIOC_S_STD:
- result = set_v4lstd(client, *(v4l2_std_id *)arg);
- break;
-
- case VIDIOC_G_INPUT:
- *(int *)arg = state->input;
- break;
-
- case VIDIOC_S_INPUT:
- result = set_input(client, *(int *)arg);
- break;
-
- case VIDIOC_S_FREQUENCY:
- input_change(client);
- break;
-
- case VIDIOC_G_TUNER:
- {
- u8 mode = cx25840_read(client, 0x804);
- u8 pref = cx25840_read(client, 0x809) & 0xf;
- u8 vpres = cx25840_read(client, 0x80a) & 0x10;
- int val = 0;
-
- vt->capability |=
- V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
- V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
-
- vt->signal = vpres ? 0xffff : 0x0;
-
- /* get rxsubchans and audmode */
- if ((mode & 0xf) == 1)
- val |= V4L2_TUNER_SUB_STEREO;
- else
- val |= V4L2_TUNER_SUB_MONO;
-
- if (mode == 2 || mode == 4)
- val |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-
- if (mode & 0x10)
- val |= V4L2_TUNER_SUB_SAP;
-
- vt->rxsubchans = val;
-
- switch (pref) {
- case 0:
- vt->audmode = V4L2_TUNER_MODE_MONO;
- break;
- case 1:
- case 2:
- vt->audmode = V4L2_TUNER_MODE_LANG2;
- break;
- case 4:
- default:
- vt->audmode = V4L2_TUNER_MODE_STEREO;
- }
- break;
- }
-
- case VIDIOC_S_TUNER:
- switch (vt->audmode) {
- case V4L2_TUNER_MODE_MONO:
- case V4L2_TUNER_MODE_LANG1:
- /* Force PREF_MODE to MONO */
- cx25840_and_or(client, 0x809, ~0xf, 0x00);
- break;
- case V4L2_TUNER_MODE_STEREO:
- /* Force PREF_MODE to STEREO */
- cx25840_and_or(client, 0x809, ~0xf, 0x04);
- break;
- case V4L2_TUNER_MODE_LANG2:
- /* Force PREF_MODE to LANG2 */
- cx25840_and_or(client, 0x809, ~0xf, 0x01);
- break;
- }
- break;
-
- case VIDIOC_G_FMT:
- result = get_v4lfmt(client, (struct v4l2_format *)arg);
- break;
-
- case VIDIOC_S_FMT:
- result = set_v4lfmt(client, (struct v4l2_format *)arg);
- break;
-
- case VIDIOC_INT_RESET:
- cx25840_initialize(client, 0);
- break;
-
- case VIDIOC_INT_G_CHIP_IDENT:
- *(enum v4l2_chip_ident *)arg =
- V4L2_IDENT_CX25840 + ((cx25840_read(client, 0x100) >> 4) & 0xf);
- break;
+ return cx25840_vbi_s_fmt(sd, fmt);
default:
- cx25840_err("invalid ioctl %x\n", cmd);
return -EINVAL;
}
- return result;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_driver i2c_driver_cx25840;
-
-static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
- int kind)
-{
- struct i2c_client *client;
- struct cx25840_state *state;
- 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 = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == 0)
- return -ENOMEM;
-
- memset(client, 0, sizeof(struct i2c_client));
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_cx25840;
- client->flags = I2C_CLIENT_ALLOW_USE;
- snprintf(client->name, sizeof(client->name) - 1, "cx25840");
-
- cx25840_dbg("detecting cx25840 client on address 0x%x\n", address << 1);
-
- device_id = cx25840_read(client, 0x101) << 8;
- device_id |= cx25840_read(client, 0x100);
-
- /* The high byte of the device ID should be
- * 0x84 if chip is present */
- if ((device_id & 0xff00) != 0x8400) {
- cx25840_dbg("cx25840 not found\n");
- kfree(client);
- return 0;
- }
-
- cx25840_info("cx25%3x-2%x found @ 0x%x (%s)\n",
- (device_id & 0xfff0) >> 4,
- (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : 3,
- address << 1, adapter->name);
-
- state = kmalloc(sizeof(struct cx25840_state), GFP_KERNEL);
- if (state == NULL) {
- kfree(client);
- return -ENOMEM;
- }
-
- i2c_set_clientdata(client, state);
- memset(state, 0, sizeof(struct cx25840_state));
- state->input = CX25840_TUNER;
- state->audclk_freq = V4L2_AUDCLK_48_KHZ;
- state->audio_input = AUDIO_TUNER;
- state->cardtype = CARDTYPE_PVR150;
-
- cx25840_initialize(client, 1);
-
- i2c_attach_client(client);
-
- return 0;
-}
-
-static int cx25840_attach_adapter(struct i2c_adapter *adapter)
-{
-#ifdef I2C_CLASS_TV_ANALOG
- if (adapter->class & I2C_CLASS_TV_ANALOG)
-#else
- if (adapter->id == I2C_HW_B_BT848)
-#endif
- return i2c_probe(adapter, &addr_data, &cx25840_detect_client);
- return 0;
-}
-
-static int cx25840_detach_client(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);
-
return 0;
}
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_cx25840 = {
- .name = "cx25840",
-
- .id = I2C_DRIVERID_CX25840,
- .flags = I2C_DF_NOTIFY,
-
- .attach_adapter = cx25840_attach_adapter,
- .detach_client = cx25840_detach_client,
- .command = cx25840_command,
- .owner = THIS_MODULE,
-};
-
-
-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_status(struct i2c_client *client)
+static void log_video_status(struct i2c_client *client)
{
static const char *const fmt_strs[] = {
"0x0",
"0xD", "0xE", "0xF"
};
- struct cx25840_state *state = i2c_get_clientdata(client);
- u8 microctrl_vidfmt = cx25840_read(client, 0x80a);
+ struct cx25840_state *state = to_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 = to_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 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;
- cx25840_info("Video signal: %spresent\n",
- (microctrl_vidfmt & 0x10) ? "" : "not ");
- cx25840_info("Detected format: %s\n",
- fmt_strs[gen_stat1 & 0xf]);
-
switch (mod_det_stat0) {
case 0x00: p = "mono"; break;
case 0x01: p = "stereo"; break;
case 0xfe: p = "forced mode"; break;
default: p = "not defined";
}
- cx25840_info("Detected audio mode: %s\n", p);
+ v4l_info(client, "Detected audio mode: %s\n", p);
switch (mod_det_stat1) {
case 0x00: p = "not defined"; break;
case 0xff: p = "no detected audio standard"; break;
default: p = "not defined";
}
- cx25840_info("Detected audio standard: %s\n", p);
- cx25840_info("Audio muted: %s\n",
- (mute_ctl & 0x2) ? "yes" : "no");
- cx25840_info("Audio microcontroller: %s\n",
- (download_ctl & 0x10) ? "running" : "stopped");
+ 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 0x0f: p = "automatic detection"; break;
default: p = "undefined";
}
- cx25840_info("Configured audio standard: %s\n", p);
+ v4l_info(client, "Configured audio standard: %s\n", p);
if ((audio_config >> 4) < 0xF) {
switch (audio_config & 0xF) {
case 0x0a: p = "SAP"; break;
default: p = "undefined";
}
- cx25840_info("Configured audio mode: %s\n", p);
+ v4l_info(client, "Configured audio mode: %s\n", p);
} else {
switch (audio_config & 0xF) {
case 0x00: p = "BG"; break;
case 0x0f: p = "automatic standard and mode detection"; break;
default: p = "undefined";
}
- cx25840_info("Configured audio system: %s\n", p);
+ v4l_info(client, "Configured audio system: %s\n", p);
}
- cx25840_info("Specified standard: %s\n",
- vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
-
- switch (state->input) {
- case CX25840_COMPOSITE0: p = "Composite 0"; break;
- case CX25840_COMPOSITE1: p = "Composite 1"; break;
- case CX25840_SVIDEO0: p = "S-Video 0"; break;
- case CX25840_SVIDEO1: p = "S-Video 1"; break;
- case CX25840_TUNER: p = "Tuner"; break;
- }
- cx25840_info("Specified input: %s\n", p);
- cx25840_info("Specified audio input: %s\n",
- state->audio_input == 0 ? "Tuner" : "External");
-
- switch (state->audclk_freq) {
- case V4L2_AUDCLK_441_KHZ: p = "44.1 kHz"; break;
- case V4L2_AUDCLK_48_KHZ: p = "48 kHz"; break;
- case V4L2_AUDCLK_32_KHZ: p = "32 kHz"; break;
- default: p = "undefined";
+ if (aud_input) {
+ v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input);
+ } else {
+ v4l_info(client, "Specified audio input: External\n");
}
- cx25840_info("Specified audioclock freq: %s\n", p);
switch (pref_mode & 0xf) {
case 0: p = "mono/language A"; break;
case 7: p = "language AB"; break;
default: p = "undefined";
}
- cx25840_info("Preferred audio mode: %s\n", p);
+ v4l_info(client, "Preferred audio mode: %s\n", p);
if ((audio_config & 0xf) == 0xf) {
switch ((afc0 >> 3) & 0x3) {
case 2: p = "autodetect"; break;
default: p = "undefined";
}
- cx25840_info("Selected 65 MHz format: %s\n", p);
+ v4l_info(client, "Selected 65 MHz format: %s\n", p);
switch (afc0 & 0x7) {
case 0: p = "chroma"; break;
case 4: p = "autodetect"; break;
default: p = "undefined";
}
- cx25840_info("Selected 45 MHz format: %s\n", p);
+ v4l_info(client, "Selected 45 MHz format: %s\n", p);
+ }
+}
+
+/* ----------------------------------------------------------------------- */
+
+/* This load_fw operation must be called to load the driver's firmware.
+ Without this the audio standard detection will fail and you will
+ only get mono.
+
+ Since loading the firmware is often problematic when the driver is
+ compiled into the kernel I recommend postponing calling this function
+ until the first open of the video device. Another reason for
+ postponing it is that loading this firmware takes a long time (seconds)
+ due to the slow i2c bus speed. So it will speed up the boot process if
+ you can avoid loading the fw as long as the video device isn't used. */
+static int cx25840_load_fw(struct v4l2_subdev *sd)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!state->is_initialized) {
+ /* initialize and load firmware */
+ state->is_initialized = 1;
+ if (is_cx2583x(state))
+ cx25836_initialize(client);
+ else if (is_cx2388x(state))
+ cx23885_initialize(client);
+ else if (is_cx231xx(state))
+ cx231xx_initialize(client);
+ else
+ cx25840_initialize(client);
+ }
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client, ®->match))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->size = 1;
+ reg->val = cx25840_read(client, reg->reg & 0x0fff);
+ return 0;
+}
+
+static int cx25840_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client, ®->match))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
+ return 0;
+}
+#endif
+
+static int cx25840_s_audio_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 v;
+
+ if (is_cx2583x(state) || is_cx2388x(state) || is_cx231xx(state))
+ return 0;
+
+ v4l_dbg(1, cx25840_debug, client, "%s audio output\n",
+ enable ? "enable" : "disable");
+
+ if (enable) {
+ v = cx25840_read(client, 0x115) | 0x80;
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) | 0x03;
+ cx25840_write(client, 0x116, v);
+ } else {
+ v = cx25840_read(client, 0x115) & ~(0x80);
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) & ~(0x03);
+ cx25840_write(client, 0x116, v);
+ }
+ return 0;
+}
+
+static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 v;
+
+ v4l_dbg(1, cx25840_debug, client, "%s video output\n",
+ enable ? "enable" : "disable");
+ if (enable) {
+ if (is_cx2388x(state) || is_cx231xx(state)) {
+ v = cx25840_read(client, 0x421) | 0x0b;
+ cx25840_write(client, 0x421, v);
+ } else {
+ v = cx25840_read(client, 0x115) | 0x0c;
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) | 0x04;
+ cx25840_write(client, 0x116, v);
+ }
+ } else {
+ if (is_cx2388x(state) || is_cx231xx(state)) {
+ v = cx25840_read(client, 0x421) & ~(0x0b);
+ cx25840_write(client, 0x421, v);
+ } else {
+ v = cx25840_read(client, 0x115) & ~(0x0c);
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) & ~(0x04);
+ cx25840_write(client, 0x116, v);
+ }
+ }
+ return 0;
+}
+
+static int cx25840_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+ struct cx25840_state *state = to_state(sd);
+
+ switch (qc->id) {
+ case V4L2_CID_BRIGHTNESS:
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
+ case V4L2_CID_CONTRAST:
+ case V4L2_CID_SATURATION:
+ return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
+ case V4L2_CID_HUE:
+ return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
+ default:
+ break;
+ }
+ if (is_cx2583x(state))
+ return -EINVAL;
+
+ switch (qc->id) {
+ case V4L2_CID_AUDIO_VOLUME:
+ return v4l2_ctrl_query_fill(qc, 0, 65535,
+ 65535 / 100, state->default_volume);
+ case V4L2_CID_AUDIO_MUTE:
+ return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+ case V4L2_CID_AUDIO_BALANCE:
+ case V4L2_CID_AUDIO_BASS:
+ case V4L2_CID_AUDIO_TREBLE:
+ return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
+ default:
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
+
+static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (state->radio == 0 && state->std == std)
+ return 0;
+ state->radio = 0;
+ state->std = std;
+ return set_v4lstd(client);
+}
+
+static int cx25840_s_radio(struct v4l2_subdev *sd)
+{
+ struct cx25840_state *state = to_state(sd);
+
+ state->radio = 1;
+ return 0;
+}
+
+static int cx25840_s_video_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return set_input(client, input, state->aud_input);
+}
+
+static int cx25840_s_audio_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (is_cx2583x(state))
+ return -EINVAL;
+ return set_input(client, state->vid_input, input);
+}
+
+static int cx25840_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!is_cx2583x(state))
+ input_change(client);
+ return 0;
+}
+
+static int cx25840_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 vpres = cx25840_read(client, 0x40e) & 0x20;
+ u8 mode;
+ int val = 0;
+
+ if (state->radio)
+ return 0;
+
+ vt->signal = vpres ? 0xffff : 0x0;
+ if (is_cx2583x(state))
+ return 0;
+
+ vt->capability |=
+ V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
+
+ mode = cx25840_read(client, 0x804);
+
+ /* get rxsubchans and audmode */
+ if ((mode & 0xf) == 1)
+ val |= V4L2_TUNER_SUB_STEREO;
+ else
+ val |= V4L2_TUNER_SUB_MONO;
+
+ if (mode == 2 || mode == 4)
+ val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+
+ if (mode & 0x10)
+ val |= V4L2_TUNER_SUB_SAP;
+
+ vt->rxsubchans = val;
+ vt->audmode = state->audmode;
+ return 0;
+}
+
+static int cx25840_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (state->radio || is_cx2583x(state))
+ return 0;
+
+ switch (vt->audmode) {
+ case V4L2_TUNER_MODE_MONO:
+ /* mono -> mono
+ stereo -> mono
+ bilingual -> lang1 */
+ cx25840_and_or(client, 0x809, ~0xf, 0x00);
+ break;
+ case V4L2_TUNER_MODE_STEREO:
+ case V4L2_TUNER_MODE_LANG1:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang1 */
+ cx25840_and_or(client, 0x809, ~0xf, 0x04);
+ break;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang1/lang2 */
+ cx25840_and_or(client, 0x809, ~0xf, 0x07);
+ break;
+ case V4L2_TUNER_MODE_LANG2:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang2 */
+ cx25840_and_or(client, 0x809, ~0xf, 0x01);
+ break;
+ default:
+ return -EINVAL;
+ }
+ state->audmode = vt->audmode;
+ return 0;
+}
+
+static int cx25840_reset(struct v4l2_subdev *sd, u32 val)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (is_cx2583x(state))
+ cx25836_initialize(client);
+ else if (is_cx2388x(state))
+ cx23885_initialize(client);
+ else if (is_cx231xx(state))
+ cx231xx_initialize(client);
+ else
+ cx25840_initialize(client);
+ return 0;
+}
+
+static int cx25840_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return v4l2_chip_ident_i2c_client(client, chip, state->id, state->rev);
+}
+
+static int cx25840_log_status(struct v4l2_subdev *sd)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ log_video_status(client);
+ if (!is_cx2583x(state))
+ log_audio_status(client);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops cx25840_core_ops = {
+ .log_status = cx25840_log_status,
+ .g_chip_ident = cx25840_g_chip_ident,
+ .g_ctrl = cx25840_g_ctrl,
+ .s_ctrl = cx25840_s_ctrl,
+ .queryctrl = cx25840_queryctrl,
+ .s_std = cx25840_s_std,
+ .reset = cx25840_reset,
+ .load_fw = cx25840_load_fw,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = cx25840_g_register,
+ .s_register = cx25840_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops cx25840_tuner_ops = {
+ .s_frequency = cx25840_s_frequency,
+ .s_radio = cx25840_s_radio,
+ .g_tuner = cx25840_g_tuner,
+ .s_tuner = cx25840_s_tuner,
+};
+
+static const struct v4l2_subdev_audio_ops cx25840_audio_ops = {
+ .s_clock_freq = cx25840_s_clock_freq,
+ .s_routing = cx25840_s_audio_routing,
+ .s_stream = cx25840_s_audio_stream,
+};
+
+static const struct v4l2_subdev_video_ops cx25840_video_ops = {
+ .s_routing = cx25840_s_video_routing,
+ .g_fmt = cx25840_g_fmt,
+ .s_fmt = cx25840_s_fmt,
+ .decode_vbi_line = cx25840_decode_vbi_line,
+ .s_stream = cx25840_s_stream,
+};
+
+static const struct v4l2_subdev_ops cx25840_ops = {
+ .core = &cx25840_core_ops,
+ .tuner = &cx25840_tuner_ops,
+ .audio = &cx25840_audio_ops,
+ .video = &cx25840_video_ops,
+};
+
+/* ----------------------------------------------------------------------- */
+
+static u32 get_cx2388x_ident(struct i2c_client *client)
+{
+ u32 ret;
+
+ /* Come out of digital power down */
+ cx25840_write(client, 0x000, 0);
+
+ /* Detecting whether the part is cx23885/7/8 is more
+ * difficult than it needs to be. No ID register. Instead we
+ * probe certain registers indicated in the datasheets to look
+ * for specific defaults that differ between the silicon designs. */
+
+ /* It's either 885/7 if the IR Tx Clk Divider register exists */
+ if (cx25840_read4(client, 0x204) & 0xffff) {
+ /* CX23885 returns bogus repetitive byte values for the DIF,
+ * which doesn't exist for it. (Ex. 8a8a8a8a or 31313131) */
+ ret = cx25840_read4(client, 0x300);
+ if (((ret & 0xffff0000) >> 16) == (ret & 0xffff)) {
+ /* No DIF */
+ ret = V4L2_IDENT_CX23885_AV;
+ } else {
+ /* CX23887 has a broken DIF, but the registers
+ * appear valid (but unsed), good enough to detect. */
+ ret = V4L2_IDENT_CX23887_AV;
+ }
+ } else if (cx25840_read4(client, 0x300) & 0x0fffffff) {
+ /* DIF PLL Freq Word reg exists; chip must be a CX23888 */
+ ret = V4L2_IDENT_CX23888_AV;
+ } else {
+ v4l_err(client, "Unable to detect h/w, assuming cx23887\n");
+ ret = V4L2_IDENT_CX23887_AV;
+ }
+
+ /* Back into digital power down */
+ cx25840_write(client, 0x000, 2);
+ return ret;
+}
+
+static int cx25840_probe(struct i2c_client *client,
+ const struct i2c_device_id *did)
+{
+ struct cx25840_state *state;
+ struct v4l2_subdev *sd;
+ u32 id = V4L2_IDENT_NONE;
+ u16 device_id;
+
+ /* 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 */
+ if ((device_id & 0xff00) == 0x8300) {
+ id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
+ } else if ((device_id & 0xff00) == 0x8400) {
+ id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf);
+ } else if (device_id == 0x0000) {
+ id = get_cx2388x_ident(client);
+ } else if ((device_id & 0xfff0) == 0x5A30) {
+ /* The CX23100 (0x5A3C = 23100) doesn't have an A/V decoder */
+ id = V4L2_IDENT_CX2310X_AV;
+ } else if ((device_id & 0xff) == (device_id >> 8)) {
+ v4l_err(client,
+ "likely a confused/unresponsive cx2388[578] A/V decoder"
+ " found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ v4l_err(client, "A method to reset it from the cx25840 driver"
+ " software is not known at this time\n");
+ return -ENODEV;
+ } else {
+ v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n");
+ return -ENODEV;
}
+
+ state = kzalloc(sizeof(struct cx25840_state), GFP_KERNEL);
+ if (state == NULL)
+ return -ENOMEM;
+
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &cx25840_ops);
+ switch (id) {
+ case V4L2_IDENT_CX23885_AV:
+ v4l_info(client, "cx23885 A/V decoder found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX23887_AV:
+ v4l_info(client, "cx23887 A/V decoder found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX23888_AV:
+ v4l_info(client, "cx23888 A/V decoder found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX2310X_AV:
+ v4l_info(client, "cx%d A/V decoder found @ 0x%x (%s)\n",
+ device_id, client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX25840:
+ case V4L2_IDENT_CX25841:
+ case V4L2_IDENT_CX25842:
+ case V4L2_IDENT_CX25843:
+ /* Note: revision '(device_id & 0x0f) == 2' was never built. The
+ marking skips from 0x1 == 22 to 0x3 == 23. */
+ v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
+ (device_id & 0xfff0) >> 4,
+ (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1
+ : (device_id & 0x0f),
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX25836:
+ case V4L2_IDENT_CX25837:
+ default:
+ v4l_info(client, "cx25%3x-%x found @ 0x%x (%s)\n",
+ (device_id & 0xfff0) >> 4, device_id & 0x0f,
+ client->addr << 1, client->adapter->name);
+ break;
+ }
+
+ state->c = client;
+ state->vid_input = CX25840_COMPOSITE7;
+ state->aud_input = CX25840_AUDIO8;
+ state->audclk_freq = 48000;
+ state->pvr150_workaround = 0;
+ state->audmode = V4L2_TUNER_MODE_LANG1;
+ state->unmute_volume = -1;
+ state->default_volume = 228 - cx25840_read(client, 0x8d4);
+ state->default_volume = ((state->default_volume / 2) + 23) << 9;
+ state->vbi_line_offset = 8;
+ state->id = id;
+ state->rev = device_id;
+
+ return 0;
}
+
+static int cx25840_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ v4l2_device_unregister_subdev(sd);
+ kfree(to_state(sd));
+ return 0;
+}
+
+static const struct i2c_device_id cx25840_id[] = {
+ { "cx25840", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, cx25840_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "cx25840",
+ .probe = cx25840_probe,
+ .remove = cx25840_remove,
+ .id_table = cx25840_id,
+};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff