#include "ivtv-gpio.h"
#include "ivtv-i2c.h"
-#include <media/ir-kbd-i2c.h>
-
/* i2c implementation for cx23415/6 chip, ivtv project.
* Author: Kevin Thayer (nufan_wfk at yahoo.com)
*/
#define IVTV_REG_I2C_GETSCL_OFFSET 0x7008
#define IVTV_REG_I2C_GETSDA_OFFSET 0x700c
-#ifndef I2C_ADAP_CLASS_TV_ANALOG
-#define I2C_ADAP_CLASS_TV_ANALOG I2C_CLASS_TV_ANALOG
-#endif /* I2C_ADAP_CLASS_TV_ANALOG */
-
#define IVTV_CS53L32A_I2C_ADDR 0x11
#define IVTV_M52790_I2C_ADDR 0x48
#define IVTV_CX25840_I2C_ADDR 0x44
#define IVTV_M52790_I2C_ADDR 0x48
/* This array should match the IVTV_HW_ defines */
-static const u8 hw_driverids[] = {
- I2C_DRIVERID_CX25840,
- I2C_DRIVERID_SAA711X,
- I2C_DRIVERID_SAA7127,
- I2C_DRIVERID_MSP3400,
- I2C_DRIVERID_TUNER,
- I2C_DRIVERID_WM8775,
- I2C_DRIVERID_CS53L32A,
- I2C_DRIVERID_TVEEPROM,
- I2C_DRIVERID_SAA711X,
- I2C_DRIVERID_UPD64031A,
- I2C_DRIVERID_UPD64083,
- I2C_DRIVERID_SAA717X,
- I2C_DRIVERID_WM8739,
- I2C_DRIVERID_VP27SMPX,
- I2C_DRIVERID_M52790,
- 0 /* IVTV_HW_GPIO dummy driver ID */
-};
-
-/* This array should match the IVTV_HW_ defines */
static const u8 hw_addrs[] = {
IVTV_CX25840_I2C_ADDR,
IVTV_SAA7115_I2C_ADDR,
};
/* This array should match the IVTV_HW_ defines */
-static const char * const hw_drivernames[] = {
+static const char *hw_modules[] = {
"cx25840",
"saa7115",
"saa7127",
"tuner",
"wm8775",
"cs53l32a",
- "tveeprom",
+ NULL,
+ "saa7115",
+ "upd64031a",
+ "upd64083",
+ "saa717x",
+ "wm8739",
+ "vp27smpx",
+ "m52790",
+ NULL
+};
+
+/* This array should match the IVTV_HW_ defines */
+static const char * const hw_devicenames[] = {
+ "cx25840",
"saa7115",
+ "saa7127_auto", /* saa7127 or saa7129 */
+ "msp3400",
+ "tuner",
+ "wm8775",
+ "cs53l32a",
+ "tveeprom",
+ "saa7114",
"upd64031a",
"upd64083",
"saa717x",
int ivtv_i2c_register(struct ivtv *itv, unsigned idx)
{
- struct i2c_board_info info;
- struct i2c_client *c;
- u8 id;
- int i;
+ struct v4l2_subdev *sd;
+ struct i2c_adapter *adap = &itv->i2c_adap;
+ const char *mod = hw_modules[idx];
+ const char *type = hw_devicenames[idx];
+ u32 hw = 1 << idx;
- IVTV_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];
- memset(&info, 0, sizeof(info));
- strlcpy(info.driver_name, hw_drivernames[idx],
- sizeof(info.driver_name));
- info.addr = hw_addrs[idx];
- for (i = 0; itv->i2c_clients[i] && i < I2C_CLIENTS_MAX; i++) {}
-
- if (i == I2C_CLIENTS_MAX) {
- IVTV_ERR("insufficient room for new I2C client!\n");
- return -ENOMEM;
+ if (hw == IVTV_HW_TUNER) {
+ /* special tuner handling */
+ sd = v4l2_i2c_new_probed_subdev(&itv->v4l2_dev,
+ adap, mod, type,
+ itv->card_i2c->radio);
+ if (sd)
+ sd->grp_id = 1 << idx;
+ sd = v4l2_i2c_new_probed_subdev(&itv->v4l2_dev,
+ adap, mod, type,
+ itv->card_i2c->demod);
+ if (sd)
+ sd->grp_id = 1 << idx;
+ sd = v4l2_i2c_new_probed_subdev(&itv->v4l2_dev,
+ adap, mod, type,
+ itv->card_i2c->tv);
+ if (sd)
+ sd->grp_id = 1 << idx;
+ return sd ? 0 : -1;
}
+ if (!hw_addrs[idx])
+ return -1;
+ if (hw == IVTV_HW_UPD64031A || hw == IVTV_HW_UPD6408X) {
+ unsigned short addrs[2] = { hw_addrs[idx], I2C_CLIENT_END };
- if (id != I2C_DRIVERID_TUNER) {
- if (id == I2C_DRIVERID_UPD64031A ||
- id == I2C_DRIVERID_UPD64083) {
- unsigned short addrs[2] = { info.addr, I2C_CLIENT_END };
-
- c = i2c_new_probed_device(&itv->i2c_adap, &info, addrs);
- } else
- c = i2c_new_device(&itv->i2c_adap, &info);
- if (c && c->driver == NULL)
- i2c_unregister_device(c);
- else if (c)
- itv->i2c_clients[i] = c;
- return itv->i2c_clients[i] ? 0 : -ENODEV;
+ sd = v4l2_i2c_new_probed_subdev(&itv->v4l2_dev,
+ adap, mod, type, addrs);
+ } else {
+ sd = v4l2_i2c_new_subdev(&itv->v4l2_dev,
+ adap, mod, type, hw_addrs[idx]);
}
-
- /* special tuner handling */
- c = i2c_new_probed_device(&itv->i2c_adap, &info, itv->card_i2c->radio);
- if (c && c->driver == NULL)
- i2c_unregister_device(c);
- else if (c)
- itv->i2c_clients[i++] = c;
- c = i2c_new_probed_device(&itv->i2c_adap, &info, itv->card_i2c->demod);
- if (c && c->driver == NULL)
- i2c_unregister_device(c);
- else if (c)
- itv->i2c_clients[i++] = c;
- c = i2c_new_probed_device(&itv->i2c_adap, &info, itv->card_i2c->tv);
- if (c && c->driver == NULL)
- i2c_unregister_device(c);
- else if (c)
- itv->i2c_clients[i++] = c;
- return 0;
-}
-
-static int attach_inform(struct i2c_client *client)
-{
- return 0;
+ if (sd)
+ sd->grp_id = 1 << idx;
+ return sd ? 0 : -1;
}
-static int detach_inform(struct i2c_client *client)
+struct v4l2_subdev *ivtv_find_hw(struct ivtv *itv, u32 hw)
{
- int i;
- struct ivtv *itv = (struct ivtv *)i2c_get_adapdata(client->adapter);
+ struct v4l2_subdev *result = NULL;
+ struct v4l2_subdev *sd;
- IVTV_DEBUG_I2C("i2c client detach\n");
- for (i = 0; i < I2C_CLIENTS_MAX; i++) {
- if (itv->i2c_clients[i] == client) {
- itv->i2c_clients[i] = NULL;
+ spin_lock(&itv->v4l2_dev.lock);
+ v4l2_device_for_each_subdev(sd, &itv->v4l2_dev) {
+ if (sd->grp_id == hw) {
+ result = sd;
break;
}
}
- IVTV_DEBUG_I2C("i2c detach [client=%s,%s]\n",
- client->name, (i < I2C_CLIENTS_MAX) ? "ok" : "failed");
-
- return 0;
+ spin_unlock(&itv->v4l2_dev.lock);
+ return result;
}
/* Set the serial clock line to the desired state */
intervening stop condition */
static int ivtv_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
{
- struct ivtv *itv = i2c_get_adapdata(i2c_adap);
+ struct v4l2_device *v4l2_dev = i2c_get_adapdata(i2c_adap);
+ struct ivtv *itv = to_ivtv(v4l2_dev);
int retval;
int i;
.id = I2C_HW_B_CX2341X,
.algo = &ivtv_algo,
.algo_data = NULL, /* filled from template */
- .client_register = attach_inform,
- .client_unregister = detach_inform,
.owner = THIS_MODULE,
};
.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,
};
.name = "ivtv internal",
};
-int ivtv_call_i2c_client(struct ivtv *itv, int addr, unsigned int cmd, void *arg)
-{
- struct i2c_client *client;
- int retval;
- int i;
-
- IVTV_DEBUG_I2C("call_i2c_client addr=%02x\n", addr);
- for (i = 0; i < I2C_CLIENTS_MAX; i++) {
- client = itv->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_G_CHIP_IDENT)
- IVTV_ERR("i2c addr 0x%02x not found for command 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 ivtv_i2c_id_addr(struct ivtv *itv, u32 id)
-{
- struct i2c_client *client;
- int retval = -ENODEV;
- int i;
-
- for (i = 0; i < I2C_CLIENTS_MAX; i++) {
- client = itv->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 DRIVERID */
-static const char *ivtv_i2c_id_name(u32 id)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(hw_driverids); i++)
- if (hw_driverids[i] == id)
- return hw_drivernames[i];
- return "unknown device";
-}
-
-/* Find the i2c device name matching the IVTV_HW_ flag */
-static const char *ivtv_i2c_hw_name(u32 hw)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(hw_driverids); i++)
- if (1 << i == hw)
- return hw_drivernames[i];
- return "unknown device";
-}
-
-/* Find the i2c device matching the IVTV_HW_ flag and return
- its i2c address or -ENODEV if no matching device was found. */
-int ivtv_i2c_hw_addr(struct ivtv *itv, u32 hw)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(hw_driverids); i++)
- if (1 << i == hw)
- return ivtv_i2c_id_addr(itv, hw_driverids[i]);
- return -ENODEV;
-}
-
-/* Calls i2c device based on IVTV_HW_ flag. If hw == 0, then do nothing.
- If hw == IVTV_HW_GPIO then call the gpio handler. */
-int ivtv_i2c_hw(struct ivtv *itv, u32 hw, unsigned int cmd, void *arg)
-{
- int addr;
-
- if (hw == IVTV_HW_GPIO)
- return ivtv_gpio(itv, cmd, arg);
- if (hw == 0)
- return 0;
-
- addr = ivtv_i2c_hw_addr(itv, hw);
- if (addr < 0) {
- IVTV_ERR("i2c hardware 0x%08x (%s) not found for command 0x%x\n",
- hw, ivtv_i2c_hw_name(hw), cmd);
- return addr;
- }
- return ivtv_call_i2c_client(itv, addr, cmd, arg);
-}
-
-/* Calls i2c device based on I2C driver ID. */
-int ivtv_i2c_id(struct ivtv *itv, u32 id, unsigned int cmd, void *arg)
-{
- int addr;
-
- addr = ivtv_i2c_id_addr(itv, id);
- if (addr < 0) {
- if (cmd != VIDIOC_G_CHIP_IDENT)
- IVTV_ERR("i2c ID 0x%08x (%s) not found for command 0x%x\n",
- id, ivtv_i2c_id_name(id), cmd);
- return addr;
- }
- return ivtv_call_i2c_client(itv, addr, cmd, arg);
-}
-
-int ivtv_cx25840(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- return ivtv_call_i2c_client(itv, IVTV_CX25840_I2C_ADDR, cmd, arg);
-}
-
-int ivtv_saa7115(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- return ivtv_call_i2c_client(itv, IVTV_SAA7115_I2C_ADDR, cmd, arg);
-}
-
-int ivtv_saa7127(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- return ivtv_call_i2c_client(itv, IVTV_SAA7127_I2C_ADDR, cmd, arg);
-}
-
-int ivtv_saa717x(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- return ivtv_call_i2c_client(itv, IVTV_SAA717x_I2C_ADDR, cmd, arg);
-}
-
-int ivtv_upd64031a(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- return ivtv_call_i2c_client(itv, IVTV_UPD64031A_I2C_ADDR, cmd, arg);
-}
-
-int ivtv_upd64083(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- return ivtv_call_i2c_client(itv, IVTV_UPD64083_I2C_ADDR, cmd, arg);
-}
-
-/* broadcast cmd for all I2C clients and for the gpio subsystem */
-void ivtv_call_i2c_clients(struct ivtv *itv, unsigned int cmd, void *arg)
-{
- if (itv->i2c_adap.algo == NULL) {
- IVTV_ERR("Adapter is not set");
- return;
- }
- i2c_clients_command(&itv->i2c_adap, cmd, arg);
- if (itv->hw_flags & IVTV_HW_GPIO)
- ivtv_gpio(itv, cmd, arg);
-}
-
/* init + register i2c algo-bit adapter */
int init_ivtv_i2c(struct ivtv *itv)
{
/* Sanity checks for the I2C hardware arrays. They must be the
* same size and GPIO must be the last entry.
*/
- if (ARRAY_SIZE(hw_driverids) != ARRAY_SIZE(hw_addrs) ||
- ARRAY_SIZE(hw_drivernames) != ARRAY_SIZE(hw_addrs) ||
- IVTV_HW_GPIO != (1 << (ARRAY_SIZE(hw_addrs) - 1)) ||
- hw_driverids[ARRAY_SIZE(hw_addrs) - 1]) {
+ if (ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_addrs) ||
+ ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_modules) ||
+ IVTV_HW_GPIO != (1 << (ARRAY_SIZE(hw_addrs) - 1))) {
IVTV_ERR("Mismatched I2C hardware arrays\n");
return -ENODEV;
}
itv->i2c_adap.algo_data = &itv->i2c_algo;
sprintf(itv->i2c_adap.name + strlen(itv->i2c_adap.name), " #%d",
- itv->num);
- i2c_set_adapdata(&itv->i2c_adap, itv);
+ itv->instance);
+ i2c_set_adapdata(&itv->i2c_adap, &itv->v4l2_dev);
memcpy(&itv->i2c_client, &ivtv_i2c_client_template,
sizeof(struct i2c_client));
itv->i2c_client.adapter = &itv->i2c_adap;
- itv->i2c_adap.dev.parent = &itv->dev->dev;
+ itv->i2c_adap.dev.parent = &itv->pdev->dev;
IVTV_DEBUG_I2C("setting scl and sda to 1\n");
ivtv_setscl(itv, 1);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff