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V4L/DVB (10758): cx18: Convert I2C devices to v4l2_subdevices 

This is a major perturbation to cx18 I2C device handling to convert it to the
v4l2_device/subdeivce framework.  This change breaks GPIO audio multiplexer
control for the time being.  It will be fixed in a coming change.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andy Walls 2009-02-20 23:52:13 -03:00 committed by Mauro Carvalho Chehab
parent fa3e70360c
commit ff2a200180
13 changed files with 249 additions and 362 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
drivers/media/video/cx18/cx18-audio.c
View File

@ -23,9 +23,7 @@
#include "cx18-driver.h"
#include "cx18-io.h"
#include "cx18-i2c.h"
#include "cx18-cards.h"
#include "cx18-audio.h"
#define CX18_AUDIO_ENABLE 0xc72014
@ -33,54 +31,32 @@
settings. */
int cx18_audio_set_io(struct cx18 *cx)
{
const struct cx18_card_audio_input *in;
struct v4l2_routing route;
u32 audio_input;
u32 val;
int mux_input;
int err;
/* Determine which input to use */
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
audio_input = cx->card->radio_input.audio_input;
mux_input = cx->card->radio_input.muxer_input;
} else {
audio_input =
cx->card->audio_inputs[cx->audio_input].audio_input;
mux_input =
cx->card->audio_inputs[cx->audio_input].muxer_input;
}
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags))
in = &cx->card->radio_input;
else
in = &cx->card->audio_inputs[cx->audio_input];
/* handle muxer chips */
route.input = mux_input;
route.input = in->muxer_input;
route.output = 0;
cx18_i2c_hw(cx, cx->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route);
v4l2_subdev_call(cx->sd_extmux, audio, s_routing, &route);
route.input = audio_input;
err = cx18_i2c_hw(cx, cx->card->hw_audio_ctrl,
VIDIOC_INT_S_AUDIO_ROUTING, &route);
route.input = in->audio_input;
err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl,
audio, s_routing, &route);
if (err)
return err;
/* FIXME - this internal mux should be abstracted to a subdev */
val = cx18_read_reg(cx, CX18_AUDIO_ENABLE) & ~0x30;
val |= (audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 :
(audio_input << 4);
val |= (in->audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 :
(in->audio_input << 4);
cx18_write_reg_expect(cx, val | 0xb00, CX18_AUDIO_ENABLE, val, 0x30);
return 0;
}
void cx18_audio_set_route(struct cx18 *cx, struct v4l2_routing *route)
{
cx18_i2c_hw(cx, cx->card->hw_audio_ctrl,
VIDIOC_INT_S_AUDIO_ROUTING, route);
}
void cx18_audio_set_audio_clock_freq(struct cx18 *cx, u8 freq)
{
static u32 freqs[3] = { 44100, 48000, 32000 };
/* The audio clock of the digitizer must match the codec sample
rate otherwise you get some very strange effects. */
if (freq > 2)
return;
cx18_call_i2c_clients(cx, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[freq]);
}

2
drivers/media/video/cx18/cx18-audio.h
View File

@ -22,5 +22,3 @@
*/
int cx18_audio_set_io(struct cx18 *cx);
void cx18_audio_set_route(struct cx18 *cx, struct v4l2_routing *route);
void cx18_audio_set_audio_clock_freq(struct cx18 *cx, u8 freq);

15
drivers/media/video/cx18/cx18-av-core.c
View File

@ -1209,9 +1209,10 @@ static const struct v4l2_subdev_ops cx18_av_ops = {
.video = &cx18_av_video_ops,
};
int cx18_av_probe(struct cx18 *cx, struct v4l2_subdev **sd)
int cx18_av_probe(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
struct v4l2_subdev *sd;
state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff;
state->id = ((state->rev >> 4) == CXADEC_CHIP_TYPE_MAKO)
@ -1224,13 +1225,13 @@ int cx18_av_probe(struct cx18 *cx, struct v4l2_subdev **sd)
state->slicer_line_delay = 0;
state->slicer_line_offset = (10 + state->slicer_line_delay - 2);
*sd = &state->sd;
v4l2_subdev_init(*sd, &cx18_av_ops);
v4l2_set_subdevdata(*sd, cx);
snprintf((*sd)->name, sizeof((*sd)->name),
sd = &state->sd;
v4l2_subdev_init(sd, &cx18_av_ops);
v4l2_set_subdevdata(sd, cx);
snprintf(sd->name, sizeof(sd->name),
"%s internal A/V decoder", cx->v4l2_dev.name);
(*sd)->grp_id = CX18_HW_CX23418;
return v4l2_device_register_subdev(&cx->v4l2_dev, *sd);
sd->grp_id = CX18_HW_418_AV;
return v4l2_device_register_subdev(&cx->v4l2_dev, sd);
}
void cx18_av_exit(struct cx18 *cx, struct v4l2_subdev *sd)

2
drivers/media/video/cx18/cx18-av-core.h
View File

@ -342,7 +342,7 @@ int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value);
int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value);
void cx18_av_std_setup(struct cx18 *cx);
int cx18_av_probe(struct cx18 *cx, struct v4l2_subdev **sd);
int cx18_av_probe(struct cx18 *cx);
void cx18_av_exit(struct cx18 *cx, struct v4l2_subdev *sd);
/* ----------------------------------------------------------------------- */

32
drivers/media/video/cx18/cx18-cards.c
View File

@ -53,9 +53,9 @@ static const struct cx18_card cx18_card_hvr1600_esmt = {
.name = "Hauppauge HVR-1600",
.comment = "Simultaneous Digital and Analog TV capture supported\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_muxer = CX18_HW_CS5345,
.hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER |
.hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER |
CX18_HW_CS5345 | CX18_HW_DVB,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE7 },
@ -99,9 +99,9 @@ static const struct cx18_card cx18_card_hvr1600_samsung = {
.name = "Hauppauge HVR-1600 (Preproduction)",
.comment = "Simultaneous Digital and Analog TV capture supported\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_muxer = CX18_HW_CS5345,
.hw_all = CX18_HW_TVEEPROM | CX18_HW_TUNER |
.hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER |
CX18_HW_CS5345 | CX18_HW_DVB,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE7 },
@ -154,8 +154,8 @@ static const struct cx18_card cx18_card_h900 = {
.name = "Compro VideoMate H900",
.comment = "Analog TV capture supported\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_all = CX18_HW_TUNER,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_all = CX18_HW_418_AV | CX18_HW_TUNER,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 },
{ CX18_CARD_INPUT_SVIDEO1, 1,
@ -201,8 +201,8 @@ static const struct cx18_card cx18_card_mpc718 = {
.name = "Yuan MPC718",
.comment = "Analog video capture works; some audio line in may not.\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_all = CX18_HW_TUNER,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_all = CX18_HW_418_AV | CX18_HW_TUNER,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 },
{ CX18_CARD_INPUT_SVIDEO1, 1,
@ -251,9 +251,9 @@ static const struct cx18_card cx18_card_cnxt_raptor_pal = {
.name = "Conexant Raptor PAL/SECAM",
.comment = "Analog TV capture supported\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_muxer = CX18_HW_GPIO,
.hw_all = CX18_HW_TUNER | CX18_HW_GPIO,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_muxer = CX18_HW_GPIO_AUDIO_MUX,
.hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_AUDIO_MUX,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 },
{ CX18_CARD_INPUT_SVIDEO1, 1,
@ -306,8 +306,8 @@ static const struct cx18_card cx18_card_toshiba_qosmio_dvbt = {
.comment = "Experimenters and photos needed for device to work well.\n"
"\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_all = CX18_HW_TUNER,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_all = CX18_HW_418_AV | CX18_HW_TUNER,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE6 },
{ CX18_CARD_INPUT_SVIDEO1, 1,
@ -350,9 +350,9 @@ static const struct cx18_card cx18_card_leadtek_pvr2100 = {
.comment = "Experimenters and photos needed for device to work well.\n"
"\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n",
.v4l2_capabilities = CX18_CAP_ENCODER,
.hw_audio_ctrl = CX18_HW_CX23418,
.hw_muxer = CX18_HW_GPIO,
.hw_all = CX18_HW_TUNER | CX18_HW_GPIO,
.hw_audio_ctrl = CX18_HW_418_AV,
.hw_muxer = CX18_HW_GPIO_AUDIO_MUX,
.hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_AUDIO_MUX,
.video_inputs = {
{ CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 },
{ CX18_CARD_INPUT_SVIDEO1, 1,

14
drivers/media/video/cx18/cx18-cards.h
View File

@ -22,12 +22,12 @@
*/
/* hardware flags */
#define CX18_HW_TUNER (1 << 0)
#define CX18_HW_TVEEPROM (1 << 1)
#define CX18_HW_CS5345 (1 << 2)
#define CX18_HW_GPIO (1 << 3)
#define CX18_HW_CX23418 (1 << 4)
#define CX18_HW_DVB (1 << 5)
#define CX18_HW_TUNER (1 << 0)
#define CX18_HW_TVEEPROM (1 << 1)
#define CX18_HW_CS5345 (1 << 2)
#define CX18_HW_DVB (1 << 3)
#define CX18_HW_418_AV (1 << 4)
#define CX18_HW_GPIO_AUDIO_MUX (1 << 5)
/* video inputs */
#define CX18_CARD_INPUT_VID_TUNER 1
@ -121,7 +121,7 @@ struct cx18_card {
char *comment;
u32 v4l2_capabilities;
u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only
1 dev allowed) */
1 dev allowed currently) */
u32 hw_muxer; /* hardware used to multiplex audio input */
u32 hw_all; /* all hardware used by the board */
struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];

15
drivers/media/video/cx18/cx18-controls.c
View File

@ -77,7 +77,7 @@ int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
if (cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_QUERYCTRL, qctrl))
if (v4l2_subdev_call(cx->sd_av, core, queryctrl, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
@ -134,7 +134,7 @@ static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl);
return v4l2_subdev_call(cx->sd_av, core, s_ctrl, vctrl);
default:
CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
@ -159,7 +159,8 @@ static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_LOUDNESS:
return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl);
return v4l2_subdev_call(cx->sd_av, core, g_ctrl, vctrl);
default:
CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
return -EINVAL;
@ -260,10 +261,12 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
return err;
}
if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
static u32 freqs[3] = { 44100, 48000, 32000 };
struct cx18_api_func_private priv;
struct cx2341x_mpeg_params p = cx->params;
int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing),
c, VIDIOC_S_EXT_CTRLS);
unsigned int idx;
if (err)
return err;
@ -287,7 +290,11 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt);
cx->params = p;
cx->dualwatch_stereo_mode = p.audio_properties & 0x0300;
cx18_audio_set_audio_clock_freq(cx, p.audio_properties & 0x03);
idx = p.audio_properties & 0x03;
/* The audio clock of the digitizer must match the codec sample
rate otherwise you get some very strange effects. */
if (idx < sizeof(freqs))
cx18_call_all(cx, audio, s_clock_freq, freqs[idx]);
return err;
}
return -EINVAL;

86
drivers/media/video/cx18/cx18-driver.c
View File

@ -269,11 +269,16 @@ static void cx18_iounmap(struct cx18 *cx)
/* Hauppauge card? get values from tveeprom */
void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
{
struct i2c_client c;
u8 eedata[256];
cx->i2c_client[0].addr = 0xA0 >> 1;
tveeprom_read(&cx->i2c_client[0], eedata, sizeof(eedata));
tveeprom_hauppauge_analog(&cx->i2c_client[0], tv, eedata);
strncpy(c.name, "cx18 tveeprom tmp", sizeof(c.name));
c.name[sizeof(c.name)-1] = '\0';
c.adapter = &cx->i2c_adap[0];
c.addr = 0xA0 >> 1;
tveeprom_read(&c, eedata, sizeof(eedata));
tveeprom_hauppauge_analog(&c, tv, eedata);
}
static void cx18_process_eeprom(struct cx18 *cx)
@ -553,8 +558,6 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
cx->base_addr = pci_resource_start(cx->pci_dev, 0);
mutex_init(&cx->serialize_lock);
mutex_init(&cx->i2c_bus_lock[0]);
mutex_init(&cx->i2c_bus_lock[1]);
mutex_init(&cx->gpio_lock);
mutex_init(&cx->epu2apu_mb_lock);
mutex_init(&cx->epu2cpu_mb_lock);
@ -669,54 +672,41 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
return 0;
}
#ifdef MODULE
static u32 cx18_request_module(struct cx18 *cx, u32 hw,
const char *name, u32 id)
{
if ((hw & id) == 0)
return hw;
if (request_module("%s", name) != 0) {
CX18_ERR("Failed to load module %s\n", name);
return hw & ~id;
}
CX18_DEBUG_INFO("Loaded module %s\n", name);
return hw;
}
#endif
static void cx18_load_and_init_modules(struct cx18 *cx)
static void cx18_init_subdevs(struct cx18 *cx)
{
u32 hw = cx->card->hw_all;
u32 device;
int i;
#ifdef MODULE
/* load modules */
#ifdef CONFIG_MEDIA_TUNER_MODULE
hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER);
#endif
#ifdef CONFIG_VIDEO_CS5345_MODULE
hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345);
#endif
#endif
/* check which i2c devices are actually found */
for (i = 0; i < 32; i++) {
u32 device = 1 << i;
for (i = 0, device = 1; i < 32; i++, device <<= 1) {
if (!(device & hw))
continue;
if (device == CX18_HW_GPIO || device == CX18_HW_TVEEPROM ||
device == CX18_HW_CX23418 || device == CX18_HW_DVB) {
/* These 'devices' do not use i2c probing */
switch (device) {
case CX18_HW_GPIO_AUDIO_MUX:
case CX18_HW_DVB:
case CX18_HW_TVEEPROM:
/* These subordinate devices do not use probing */
cx->hw_flags |= device;
continue;
break;
case CX18_HW_418_AV:
/* The A/V decoder gets probed earlier to set PLLs */
/* Just note that the card uses it (i.e. has analog) */
cx->hw_flags |= device;
break;
default:
if (cx18_i2c_register(cx, i) == 0)
cx->hw_flags |= device;
break;
}
cx18_i2c_register(cx, i);
if (cx18_i2c_hw_addr(cx, device) > 0)
cx->hw_flags |= device;
}
hw = cx->hw_flags;
if (cx->hw_flags & CX18_HW_418_AV)
cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
if (cx->card->hw_muxer != 0)
cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
}
static int __devinit cx18_probe(struct pci_dev *pci_dev,
@ -803,15 +793,17 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
cx18_init_scb(cx);
/* Initialize GPIO early so I2C device resets can be performed */
cx18_gpio_init(cx);
retval = cx18_av_probe(cx, &cx->sd_av);
/* Initialize integrated A/V decoder early to set PLLs, just in case */
retval = cx18_av_probe(cx);
if (retval) {
CX18_ERR("Could not register A/V decoder subdevice\n");
goto free_map;
}
/* Initialize the A/V decoder PLLs to sane defaults */
v4l2_subdev_call(cx->sd_av, core, init, (u32) CX18_AV_INIT_PLLS);
cx18_call_hw(cx, CX18_HW_418_AV, core, init, (u32) CX18_AV_INIT_PLLS);
/* active i2c */
CX18_DEBUG_INFO("activating i2c...\n");
@ -873,7 +865,7 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
initialization. */
cx18_init_struct2(cx);
cx18_load_and_init_modules(cx);
cx18_init_subdevs(cx);
if (cx->std & V4L2_STD_525_60) {
cx->is_60hz = 1;
@ -895,7 +887,7 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
setup.tuner_callback = (setup.type == TUNER_XC2028) ?
cx18_reset_tuner_gpio : NULL;
cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup);
cx18_call_all(cx, tuner, s_type_addr, &setup);
if (setup.type == TUNER_XC2028) {
static struct xc2028_ctrl ctrl = {
.fname = XC2028_DEFAULT_FIRMWARE,
@ -905,7 +897,7 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
.tuner = cx->options.tuner,
.priv = &ctrl,
};
cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg);
cx18_call_all(cx, tuner, s_config, &cfg);
}
}

24
drivers/media/video/cx18/cx18-driver.h
View File

@ -448,7 +448,8 @@ struct cx18 {
int instance;
struct pci_dev *pci_dev;
struct v4l2_device v4l2_dev;
struct v4l2_subdev *sd_av;
struct v4l2_subdev *sd_av; /* A/V decoder/digitizer sub-device */
struct v4l2_subdev *sd_extmux; /* External audio multiplexer sub-dev */
const struct cx18_card *card; /* card information */
const char *card_name; /* full name of the card */
@ -528,9 +529,6 @@ struct cx18 {
struct i2c_adapter i2c_adap[2];
struct i2c_algo_bit_data i2c_algo[2];
struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2];
struct i2c_client i2c_client[2];
struct mutex i2c_bus_lock[2];
struct i2c_client *i2c_clients[I2C_CLIENTS_MAX];
/* gpio */
u32 gpio_dir;
@ -573,4 +571,22 @@ static inline int cx18_raw_vbi(const struct cx18 *cx)
return cx->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE;
}
/* Call the specified callback for all subdevs with a grp_id bit matching the
* mask in hw (if 0, then match them all). Ignore any errors. */
#define cx18_call_hw(cx, hw, o, f, args...) \
__v4l2_device_call_subdevs(&(cx)->v4l2_dev, \
!(hw) || (sd->grp_id & (hw)), o, f , ##args)
#define cx18_call_all(cx, o, f, args...) cx18_call_hw(cx, 0, o, f , ##args)
/* Call the specified callback for all subdevs with a grp_id bit matching the
* mask in hw (if 0, then match them all). If the callback returns an error
* other than 0 or -ENOIOCTLCMD, then return with that error code. */
#define cx18_call_hw_err(cx, hw, o, f, args...) \
__v4l2_device_call_subdevs_until_err( \
&(cx)->v4l2_dev, !(hw) || (sd->grp_id & (hw)), o, f , ##args)
#define cx18_call_all_err(cx, o, f, args...) \
cx18_call_hw_err(cx, 0, o, f , ##args)
#endif /* CX18_DRIVER_H */

6
drivers/media/video/cx18/cx18-fileops.c
View File

@ -136,7 +136,7 @@ static void cx18_dualwatch(struct cx18 *cx)
new_stereo_mode = cx->params.audio_properties & stereo_mask;
memset(&vt, 0, sizeof(vt));
cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, &vt);
cx18_call_all(cx, tuner, g_tuner, &vt);
if (vt.audmode == V4L2_TUNER_MODE_LANG1_LANG2 &&
(vt.rxsubchans & V4L2_TUNER_SUB_LANG2))
new_stereo_mode = dual;
@ -608,7 +608,7 @@ int cx18_v4l2_close(struct file *filp)
/* Mark that the radio is no longer in use */
clear_bit(CX18_F_I_RADIO_USER, &cx->i_flags);
/* Switch tuner to TV */
cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
cx18_call_all(cx, tuner, s_std, cx->std);
/* Select correct audio input (i.e. TV tuner or Line in) */
cx18_audio_set_io(cx);
if (atomic_read(&cx->ana_capturing) > 0) {
@ -671,7 +671,7 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp)
/* We have the radio */
cx18_mute(cx);
/* Switch tuner to radio */
cx18_call_i2c_clients(cx, AUDC_SET_RADIO, NULL);
cx18_call_all(cx, tuner, s_radio);
/* Select the correct audio input (i.e. radio tuner) */
cx18_audio_set_io(cx);
/* Done! Unmute and continue. */

282
drivers/media/video/cx18/cx18-i2c.c
View File

@ -42,32 +42,35 @@
#define CX18_CS5345_I2C_ADDR 0x4c
/* This array should match the CX18_HW_ defines */
static const u8 hw_driverids[] = {
I2C_DRIVERID_TUNER,
I2C_DRIVERID_TVEEPROM,
I2C_DRIVERID_CS5345,
0, /* CX18_HW_GPIO dummy driver ID */
0 /* CX18_HW_CX23418 dummy driver ID */
};
/* This array should match the CX18_HW_ defines */
static const u8 hw_addrs[] = {
0,
0,
CX18_CS5345_I2C_ADDR,
0, /* CX18_HW_GPIO dummy driver ID */
0, /* CX18_HW_CX23418 dummy driver ID */
0, /* CX18_HW_TUNER */
0, /* CX18_HW_TVEEPROM */
CX18_CS5345_I2C_ADDR, /* CX18_HW_CS5345 */
0, /* CX18_HW_DVB */
0, /* CX18_HW_418_AV */
0, /* CX18_HW_GPIO_AUDIO_MUX */
};
/* This array should match the CX18_HW_ defines */
/* This might well become a card-specific array */
static const u8 hw_bus[] = {
0,
0,
0,
0, /* CX18_HW_GPIO dummy driver ID */
0, /* CX18_HW_CX23418 dummy driver ID */
1, /* CX18_HW_TUNER */
0, /* CX18_HW_TVEEPROM */
0, /* CX18_HW_CS5345 */
0, /* CX18_HW_DVB */
0, /* CX18_HW_418_AV */
0, /* CX18_HW_GPIO_AUDIO_MUX */
};
/* This array should match the CX18_HW_ defines */
static const char * const hw_modules[] = {
"tuner", /* CX18_HW_TUNER */
NULL, /* CX18_HW_TVEEPROM */
"cs5345", /* CX18_HW_CS5345 */
NULL, /* CX18_HW_DVB */
NULL, /* CX18_HW_418_AV */
NULL, /* CX18_HW_GPIO_AUDIO_MUX */
};
/* This array should match the CX18_HW_ defines */
@ -75,83 +78,66 @@ static const char * const hw_devicenames[] = {
"tuner",
"tveeprom",
"cs5345",
"gpio",
"cx23418",
"cx23418_DTV",
"cx23418_AV",
"gpio_audio_mux",
};
int cx18_i2c_register(struct cx18 *cx, unsigned idx)
{
struct i2c_board_info info;
struct i2c_client *c;
u8 id, bus;
int i;
struct v4l2_subdev *sd;
int bus = hw_bus[idx];
struct i2c_adapter *adap = &cx->i2c_adap[bus];
const char *mod = hw_modules[idx];
const char *type = hw_devicenames[idx];
u32 hw = 1 << idx;
CX18_DEBUG_I2C("i2c client register\n");
if (idx >= ARRAY_SIZE(hw_driverids) || hw_driverids[idx] == 0)
if (idx >= ARRAY_SIZE(hw_addrs))
return -1;
id = hw_driverids[idx];
bus = hw_bus[idx];
memset(&info, 0, sizeof(info));
strlcpy(info.type, hw_devicenames[idx], sizeof(info.type));
info.addr = hw_addrs[idx];
for (i = 0; i < I2C_CLIENTS_MAX; i++)
if (cx->i2c_clients[i] == NULL)
break;
if (i == I2C_CLIENTS_MAX) {
CX18_ERR("insufficient room for new I2C client!\n");
return -ENOMEM;
if (hw == CX18_HW_TUNER) {
/* special tuner group handling */
sd = v4l2_i2c_new_probed_subdev(adap, mod, type,
cx->card_i2c->radio);
if (sd != NULL)
sd->grp_id = hw;
sd = v4l2_i2c_new_probed_subdev(adap, mod, type,
cx->card_i2c->demod);
if (sd != NULL)
sd->grp_id = hw;
sd = v4l2_i2c_new_probed_subdev(adap, mod, type,
cx->card_i2c->tv);
if (sd != NULL)
sd->grp_id = hw;
return sd != NULL ? 0 : -1;
}
if (id != I2C_DRIVERID_TUNER) {
c = i2c_new_device(&cx->i2c_adap[bus], &info);
if (c->driver == NULL)
i2c_unregister_device(c);
else
cx->i2c_clients[i] = c;
return cx->i2c_clients[i] ? 0 : -ENODEV;
}
/* Is it not an I2C device or one we do not wish to register? */
if (!hw_addrs[idx])
return -1;
/* special tuner handling */
c = i2c_new_probed_device(&cx->i2c_adap[1], &info, cx->card_i2c->radio);
if (c && c->driver == NULL)
i2c_unregister_device(c);
else if (c)
cx->i2c_clients[i++] = c;
c = i2c_new_probed_device(&cx->i2c_adap[1], &info, cx->card_i2c->demod);
if (c && c->driver == NULL)
i2c_unregister_device(c);
else if (c)
cx->i2c_clients[i++] = c;
c = i2c_new_probed_device(&cx->i2c_adap[1], &info, cx->card_i2c->tv);
if (c && c->driver == NULL)
i2c_unregister_device(c);
else if (c)
cx->i2c_clients[i++] = c;
return 0;
/* It's an I2C device other than an analog tuner */
sd = v4l2_i2c_new_subdev(adap, mod, type, hw_addrs[idx]);
if (sd != NULL)
sd->grp_id = hw;
return sd != NULL ? 0 : -1;
}
static int attach_inform(struct i2c_client *client)
/* Find the first member of the subdev group id in hw */
struct v4l2_subdev *cx18_find_hw(struct cx18 *cx, u32 hw)
{
return 0;
}
struct v4l2_subdev *result = NULL;
struct v4l2_subdev *sd;
static int detach_inform(struct i2c_client *client)
{
int i;
struct cx18 *cx = (struct cx18 *)i2c_get_adapdata(client->adapter);
CX18_DEBUG_I2C("i2c client detach\n");
for (i = 0; i < I2C_CLIENTS_MAX; i++) {
if (cx->i2c_clients[i] == client) {
cx->i2c_clients[i] = NULL;
spin_lock(&cx->v4l2_dev.lock);
v4l2_device_for_each_subdev(sd, &cx->v4l2_dev) {
if (sd->grp_id == hw) {
result = sd;
break;
}
}
CX18_DEBUG_I2C("i2c detach [client=%s,%s]\n",
client->name, (i < I2C_CLIENTS_MAX) ? "ok" : "failed");
return 0;
spin_unlock(&cx->v4l2_dev.lock);
return result;
}
static void cx18_setscl(void *data, int state)
@ -204,8 +190,6 @@ static struct i2c_adapter cx18_i2c_adap_template = {
.id = I2C_HW_B_CX2341X,
.algo = NULL, /* set by i2c-algo-bit */
.algo_data = NULL, /* filled from template */
.client_register = attach_inform,
.client_unregister = detach_inform,
.owner = THIS_MODULE,
};
@ -221,151 +205,27 @@ static struct i2c_algo_bit_data cx18_i2c_algo_template = {
.timeout = CX18_ALGO_BIT_TIMEOUT*HZ /* jiffies */
};
static struct i2c_client cx18_i2c_client_template = {
.name = "cx18 internal",
};
int cx18_call_i2c_client(struct cx18 *cx, int addr, unsigned cmd, void *arg)
{
struct i2c_client *client;
int retval;
int i;
CX18_DEBUG_I2C("call_i2c_client addr=%02x\n", addr);
for (i = 0; i < I2C_CLIENTS_MAX; i++) {
client = cx->i2c_clients[i];
if (client == NULL || client->driver == NULL ||
client->driver->command == NULL)
continue;
if (addr == client->addr) {
retval = client->driver->command(client, cmd, arg);
return retval;
}
}
if (cmd != VIDIOC_DBG_G_CHIP_IDENT)
CX18_ERR("i2c addr 0x%02x not found for cmd 0x%x!\n",
addr, cmd);
return -ENODEV;
}
/* Find the i2c device based on the driver ID and return
its i2c address or -ENODEV if no matching device was found. */
static int cx18_i2c_id_addr(struct cx18 *cx, u32 id)
{
struct i2c_client *client;
int retval = -ENODEV;
int i;
for (i = 0; i < I2C_CLIENTS_MAX; i++) {
client = cx->i2c_clients[i];
if (client == NULL || client->driver == NULL)
continue;
if (id == client->driver->id) {
retval = client->addr;
break;
}
}
return retval;
}
/* Find the i2c device name matching the CX18_HW_ flag */
static const char *cx18_i2c_hw_name(u32 hw)
{
int i;
for (i = 0; i < ARRAY_SIZE(hw_driverids); i++)
if (1 << i == hw)
return hw_devicenames[i];
return "unknown device";
}
/* Find the i2c device matching the CX18_HW_ flag and return
its i2c address or -ENODEV if no matching device was found. */
int cx18_i2c_hw_addr(struct cx18 *cx, u32 hw)
{
int i;
for (i = 0; i < ARRAY_SIZE(hw_driverids); i++)
if (1 << i == hw)
return cx18_i2c_id_addr(cx, hw_driverids[i]);
return -ENODEV;
}
/* Calls i2c device based on CX18_HW_ flag. If hw == 0, then do nothing.
If hw == CX18_HW_GPIO then call the gpio handler. */
int cx18_i2c_hw(struct cx18 *cx, u32 hw, unsigned int cmd, void *arg)
{
int addr;
if (hw == 0)
return 0;
if (hw == CX18_HW_GPIO)
return cx18_gpio(cx, cmd, arg);
if (hw == CX18_HW_CX23418)
return v4l2_subdev_command(cx->sd_av, cmd, arg);
addr = cx18_i2c_hw_addr(cx, hw);
if (addr < 0) {
CX18_ERR("i2c hardware 0x%08x (%s) not found for cmd 0x%x!\n",
hw, cx18_i2c_hw_name(hw), cmd);
return addr;
}
return cx18_call_i2c_client(cx, addr, cmd, arg);
}
/* broadcast cmd for all I2C clients and for the gpio subsystem */
void cx18_call_i2c_clients(struct cx18 *cx, unsigned int cmd, void *arg)
{
if (cx->i2c_adap[0].algo == NULL || cx->i2c_adap[1].algo == NULL) {
CX18_ERR("adapter is not set\n");
return;
}
v4l2_subdev_command(cx->sd_av, cmd, arg);
i2c_clients_command(&cx->i2c_adap[0], cmd, arg);
i2c_clients_command(&cx->i2c_adap[1], cmd, arg);
if (cx->hw_flags & CX18_HW_GPIO)
cx18_gpio(cx, cmd, arg);
}
/* init + register i2c algo-bit adapter */
int init_cx18_i2c(struct cx18 *cx)
{
int i;
CX18_DEBUG_I2C("i2c init\n");
/* Sanity checks for the I2C hardware arrays. They must be the
* same size and GPIO/CX23418 must be the last entries.
*/
if (ARRAY_SIZE(hw_driverids) != ARRAY_SIZE(hw_addrs) ||
ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_addrs) ||
CX18_HW_GPIO != (1 << (ARRAY_SIZE(hw_addrs) - 2)) ||
CX18_HW_CX23418 != (1 << (ARRAY_SIZE(hw_addrs) - 1)) ||
hw_driverids[ARRAY_SIZE(hw_addrs) - 1]) {
CX18_ERR("Mismatched I2C hardware arrays\n");
return -ENODEV;
}
for (i = 0; i < 2; i++) {
memcpy(&cx->i2c_adap[i], &cx18_i2c_adap_template,
sizeof(struct i2c_adapter));
/* Setup algorithm for adapter */
memcpy(&cx->i2c_algo[i], &cx18_i2c_algo_template,
sizeof(struct i2c_algo_bit_data));
cx->i2c_algo_cb_data[i].cx = cx;
cx->i2c_algo_cb_data[i].bus_index = i;
cx->i2c_algo[i].data = &cx->i2c_algo_cb_data[i];
cx->i2c_adap[i].algo_data = &cx->i2c_algo[i];
/* Setup adapter */
memcpy(&cx->i2c_adap[i], &cx18_i2c_adap_template,
sizeof(struct i2c_adapter));
cx->i2c_adap[i].algo_data = &cx->i2c_algo[i];
sprintf(cx->i2c_adap[i].name + strlen(cx->i2c_adap[i].name),
" #%d-%d", cx->instance, i);
i2c_set_adapdata(&cx->i2c_adap[i], cx);
memcpy(&cx->i2c_client[i], &cx18_i2c_client_template,
sizeof(struct i2c_client));
sprintf(cx->i2c_client[i].name +
strlen(cx->i2c_client[i].name), "%d", i);
cx->i2c_client[i].adapter = &cx->i2c_adap[i];
i2c_set_adapdata(&cx->i2c_adap[i], &cx->v4l2_dev);
cx->i2c_adap[i].dev.parent = &cx->pci_dev->dev;
}

5
drivers/media/video/cx18/cx18-i2c.h
View File

@ -21,11 +21,8 @@
* 02111-1307 USA
*/
int cx18_i2c_hw_addr(struct cx18 *cx, u32 hw);
int cx18_i2c_hw(struct cx18 *cx, u32 hw, unsigned int cmd, void *arg);
int cx18_call_i2c_client(struct cx18 *cx, int addr, unsigned cmd, void *arg);
void cx18_call_i2c_clients(struct cx18 *cx, unsigned int cmd, void *arg);
int cx18_i2c_register(struct cx18 *cx, unsigned idx);
struct v4l2_subdev *cx18_find_hw(struct cx18 *cx, u32 hw);
/* init + register i2c algo-bit adapter */
int init_cx18_i2c(struct cx18 *cx);

78
drivers/media/video/cx18/cx18-ioctl.c
View File

@ -372,15 +372,52 @@ static int cx18_g_chip_ident(struct file *file, void *fh,
struct v4l2_dbg_chip_ident *chip)
{
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
int err = 0;
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
if (v4l2_chip_match_host(&chip->match)) {
chip->ident = V4L2_IDENT_CX23418;
return 0;
switch (chip->match.type) {
case V4L2_CHIP_MATCH_HOST:
switch (chip->match.addr) {
case 0:
chip->ident = V4L2_IDENT_CX23418;
chip->revision = cx18_read_reg(cx, 0xC72028);
break;
case 1:
/*
* The A/V decoder is always present, but in the rare
* case that the card doesn't have analog, we don't
* use it. We find it w/o using the cx->sd_av pointer
*/
cx18_call_hw(cx, CX18_HW_418_AV,
core, g_chip_ident, chip);
break;
default:
/*
* Could return ident = V4L2_IDENT_UNKNOWN if we had
* other host chips at higher addresses, but we don't
*/
err = -EINVAL; /* per V4L2 spec */
break;
}
break;
case V4L2_CHIP_MATCH_I2C_DRIVER:
/* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
cx18_call_all(cx, core, g_chip_ident, chip);
break;
case V4L2_CHIP_MATCH_I2C_ADDR:
/*
* We could return V4L2_IDENT_UNKNOWN, but we don't do the work
* to look if a chip is at the address with no driver. That's a
* dangerous thing to do with EEPROMs anyway.
*/
cx18_call_all(cx, core, g_chip_ident, chip);
break;
default:
err = -EINVAL;
break;
}
cx18_call_i2c_clients(cx, VIDIOC_DBG_G_CHIP_IDENT, chip);
return 0;
return err;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
@ -394,10 +431,10 @@ static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
return -EINVAL;
regs->size = 4;
if (cmd == VIDIOC_DBG_G_REGISTER)
regs->val = cx18_read_enc(cx, regs->reg);
else
if (cmd == VIDIOC_DBG_S_REGISTER)
cx18_write_enc(cx, regs->val, regs->reg);
else
regs->val = cx18_read_enc(cx, regs->reg);
return 0;
}
@ -408,7 +445,8 @@ static int cx18_g_register(struct file *file, void *fh,
if (v4l2_chip_match_host(&reg->match))
return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
cx18_call_i2c_clients(cx, VIDIOC_DBG_G_REGISTER, reg);
/* FIXME - errors shouldn't be ignored */
cx18_call_all(cx, core, g_register, reg);
return 0;
}
@ -419,7 +457,8 @@ static int cx18_s_register(struct file *file, void *fh,
if (v4l2_chip_match_host(&reg->match))
return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
cx18_call_i2c_clients(cx, VIDIOC_DBG_S_REGISTER, reg);
/* FIXME - errors shouldn't be ignored */
cx18_call_all(cx, core, s_register, reg);
return 0;
}
#endif
@ -598,7 +637,7 @@ static int cx18_g_frequency(struct file *file, void *fh,
if (vf->tuner != 0)
return -EINVAL;
cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf);
cx18_call_all(cx, tuner, g_frequency, vf);
return 0;
}
@ -617,7 +656,7 @@ int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
cx18_mute(cx);
CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf);
cx18_call_all(cx, tuner, s_frequency, vf);
cx18_unmute(cx);
return 0;
}
@ -666,7 +705,7 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
(unsigned long long) cx->std);
/* Tuner */
cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
cx18_call_all(cx, tuner, s_std, cx->std);
return 0;
}
@ -683,9 +722,7 @@ static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
if (vt->index != 0)
return -EINVAL;
/* Setting tuner can only set audio mode */
cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
cx18_call_all(cx, tuner, s_tuner, vt);
return 0;
}
@ -696,7 +733,7 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
if (vt->index != 0)
return -EINVAL;
cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
cx18_call_all(cx, tuner, g_tuner, vt);
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
@ -853,7 +890,7 @@ static int cx18_log_status(struct file *file, void *fh)
cx18_read_eeprom(cx, &tv);
}
cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
cx18_call_all(cx, core, log_status);
cx18_get_input(cx, cx->active_input, &vidin);
cx18_get_audio_input(cx, cx->audio_input, &audin);
CX18_INFO("Video Input: %s\n", vidin.name);
@ -894,7 +931,8 @@ static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
route->input, route->output);
cx18_audio_set_route(cx, route);
cx18_call_hw(cx, cx->card->hw_audio_ctrl, audio, s_routing,
route);
break;
}
@ -922,6 +960,8 @@ long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
mutex_lock(&cx->serialize_lock);
/* FIXME - consolidate v4l2_prio_check()'s here */
if (cx18_debug & CX18_DBGFLG_IOCTL)
vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
res = video_ioctl2(filp, cmd, arg);