matrox maven: convert to a new-style i2c driver
The legacy i2c model is going away soon, so switch to the new model. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jean Delvare
Linus Torvalds
parent
73b7d92f61
commit
1054635532
3 changed files with 50 additions and 59 deletions
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@ -107,7 +107,6 @@ static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* minfo,
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b->mask.data = data;
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b->mask.clock = clock;
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b->adapter.owner = THIS_MODULE;
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b->adapter.id = I2C_HW_B_G400;
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snprintf(b->adapter.name, sizeof(b->adapter.name), name,
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minfo->fbcon.node);
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i2c_set_adapdata(&b->adapter, b);
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@ -182,6 +181,17 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) {
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MAT_DATA, MAT_CLK, "MAVEN:fb%u", 0);
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if (err)
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printk(KERN_INFO "i2c-matroxfb: Could not register Maven i2c bus. Continuing anyway.\n");
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else {
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struct i2c_board_info maven_info = {
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I2C_BOARD_INFO("maven", 0x1b),
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};
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unsigned short const addr_list[2] = {
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0x1b, I2C_CLIENT_END
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};
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i2c_new_probed_device(&m2info->maven.adapter,
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&maven_info, addr_list);
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}
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}
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return m2info;
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fail_ddc1:;
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@ -19,8 +19,6 @@
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#include <linux/matroxfb.h>
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#include <asm/div64.h>
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#define MAVEN_I2CID (0x1B)
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#define MGATVO_B 1
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#define MGATVO_C 2
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@ -128,7 +126,7 @@ static int get_ctrl_id(__u32 v4l2_id) {
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struct maven_data {
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struct matrox_fb_info* primary_head;
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struct i2c_client client;
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struct i2c_client *client;
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int version;
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};
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@ -974,7 +972,7 @@ static inline int maven_compute_timming(struct maven_data* md,
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static int maven_program_timming(struct maven_data* md,
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const struct mavenregs* m) {
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struct i2c_client* c = &md->client;
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struct i2c_client *c = md->client;
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if (m->mode == MATROXFB_OUTPUT_MODE_MONITOR) {
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LR(0x80);
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@ -1011,7 +1009,7 @@ static int maven_program_timming(struct maven_data* md,
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}
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static inline int maven_resync(struct maven_data* md) {
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struct i2c_client* c = &md->client;
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struct i2c_client *c = md->client;
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maven_set_reg(c, 0x95, 0x20); /* start whole thing */
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return 0;
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}
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@ -1069,48 +1067,48 @@ static int maven_set_control (struct maven_data* md,
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maven_compute_bwlevel(md, &blacklevel, &whitelevel);
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blacklevel = (blacklevel >> 2) | ((blacklevel & 3) << 8);
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whitelevel = (whitelevel >> 2) | ((whitelevel & 3) << 8);
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maven_set_reg_pair(&md->client, 0x0e, blacklevel);
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maven_set_reg_pair(&md->client, 0x1e, whitelevel);
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maven_set_reg_pair(md->client, 0x0e, blacklevel);
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maven_set_reg_pair(md->client, 0x1e, whitelevel);
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}
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break;
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case V4L2_CID_SATURATION:
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{
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maven_set_reg(&md->client, 0x20, p->value);
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maven_set_reg(&md->client, 0x22, p->value);
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maven_set_reg(md->client, 0x20, p->value);
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maven_set_reg(md->client, 0x22, p->value);
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}
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break;
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case V4L2_CID_HUE:
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{
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maven_set_reg(&md->client, 0x25, p->value);
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maven_set_reg(md->client, 0x25, p->value);
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}
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break;
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case V4L2_CID_GAMMA:
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{
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const struct maven_gamma* g;
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g = maven_compute_gamma(md);
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maven_set_reg(&md->client, 0x83, g->reg83);
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maven_set_reg(&md->client, 0x84, g->reg84);
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maven_set_reg(&md->client, 0x85, g->reg85);
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maven_set_reg(&md->client, 0x86, g->reg86);
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maven_set_reg(&md->client, 0x87, g->reg87);
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maven_set_reg(&md->client, 0x88, g->reg88);
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maven_set_reg(&md->client, 0x89, g->reg89);
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maven_set_reg(&md->client, 0x8a, g->reg8a);
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maven_set_reg(&md->client, 0x8b, g->reg8b);
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maven_set_reg(md->client, 0x83, g->reg83);
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maven_set_reg(md->client, 0x84, g->reg84);
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maven_set_reg(md->client, 0x85, g->reg85);
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maven_set_reg(md->client, 0x86, g->reg86);
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maven_set_reg(md->client, 0x87, g->reg87);
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maven_set_reg(md->client, 0x88, g->reg88);
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maven_set_reg(md->client, 0x89, g->reg89);
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maven_set_reg(md->client, 0x8a, g->reg8a);
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maven_set_reg(md->client, 0x8b, g->reg8b);
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}
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break;
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case MATROXFB_CID_TESTOUT:
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{
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unsigned char val
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= maven_get_reg(&md->client,0x8d);
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= maven_get_reg(md->client, 0x8d);
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if (p->value) val |= 0x10;
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else val &= ~0x10;
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maven_set_reg(&md->client, 0x8d, val);
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maven_set_reg(md->client, 0x8d, val);
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}
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break;
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case MATROXFB_CID_DEFLICKER:
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{
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maven_set_reg(&md->client, 0x93, maven_compute_deflicker(md));
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maven_set_reg(md->client, 0x93, maven_compute_deflicker(md));
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}
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break;
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}
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@ -1189,6 +1187,7 @@ static int maven_init_client(struct i2c_client* clnt) {
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MINFO_FROM(container_of(clnt->adapter, struct i2c_bit_adapter, adapter)->minfo);
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md->primary_head = MINFO;
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md->client = clnt;
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down_write(&ACCESS_FBINFO(altout.lock));
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ACCESS_FBINFO(outputs[1]).output = &maven_altout;
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ACCESS_FBINFO(outputs[1]).src = ACCESS_FBINFO(outputs[1]).default_src;
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@ -1232,14 +1231,11 @@ static int maven_shutdown_client(struct i2c_client* clnt) {
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return 0;
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}
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static const unsigned short normal_i2c[] = { MAVEN_I2CID, I2C_CLIENT_END };
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I2C_CLIENT_INSMOD;
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static struct i2c_driver maven_driver;
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static int maven_detect_client(struct i2c_adapter* adapter, int address, int kind) {
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int err = 0;
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struct i2c_client* new_client;
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static int maven_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct i2c_adapter *adapter = client->adapter;
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int err = -ENODEV;
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struct maven_data* data;
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_WORD_DATA |
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@ -1250,50 +1246,37 @@ static int maven_detect_client(struct i2c_adapter* adapter, int address, int kin
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err = -ENOMEM;
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goto ERROR0;
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}
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new_client = &data->client;
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i2c_set_clientdata(new_client, data);
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new_client->addr = address;
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new_client->adapter = adapter;
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new_client->driver = &maven_driver;
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new_client->flags = 0;
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strlcpy(new_client->name, "maven", I2C_NAME_SIZE);
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if ((err = i2c_attach_client(new_client)))
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goto ERROR3;
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err = maven_init_client(new_client);
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i2c_set_clientdata(client, data);
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err = maven_init_client(client);
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if (err)
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goto ERROR4;
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return 0;
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ERROR4:;
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i2c_detach_client(new_client);
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ERROR3:;
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kfree(data);
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ERROR0:;
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return err;
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}
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static int maven_attach_adapter(struct i2c_adapter* adapter) {
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if (adapter->id == I2C_HW_B_G400)
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return i2c_probe(adapter, &addr_data, &maven_detect_client);
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return 0;
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}
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static int maven_detach_client(struct i2c_client* client) {
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int err;
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if ((err = i2c_detach_client(client)))
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return err;
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static int maven_remove(struct i2c_client *client)
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{
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maven_shutdown_client(client);
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kfree(i2c_get_clientdata(client));
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return 0;
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}
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static const struct i2c_device_id maven_id[] = {
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{ "maven", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, maven_id);
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static struct i2c_driver maven_driver={
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.driver = {
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.name = "maven",
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},
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.id = I2C_DRIVERID_MGATVO,
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.attach_adapter = maven_attach_adapter,
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.detach_client = maven_detach_client,
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.probe = maven_probe,
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.remove = maven_remove,
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.id_table = maven_id,
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};
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static int __init matroxfb_maven_init(void)
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@ -39,7 +39,6 @@
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#define I2C_DRIVERID_SAA7111A 8 /* video input processor */
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#define I2C_DRIVERID_SAA7185B 13 /* video encoder */
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#define I2C_DRIVERID_SAA7110 22 /* video decoder */
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#define I2C_DRIVERID_MGATVO 23 /* Matrox TVOut */
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#define I2C_DRIVERID_SAA5249 24 /* SAA5249 and compatibles */
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#define I2C_DRIVERID_PCF8583 25 /* real time clock */
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#define I2C_DRIVERID_SAB3036 26 /* SAB3036 tuner */
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@ -95,7 +94,6 @@
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#define I2C_HW_B_BT848 0x010005 /* BT848 video boards */
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#define I2C_HW_B_VIA 0x010007 /* Via vt82c586b */
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#define I2C_HW_B_HYDRA 0x010008 /* Apple Hydra Mac I/O */
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#define I2C_HW_B_G400 0x010009 /* Matrox G400 */
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#define I2C_HW_B_I810 0x01000a /* Intel I810 */
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#define I2C_HW_B_VOO 0x01000b /* 3dfx Voodoo 3 / Banshee */
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#define I2C_HW_B_SCX200 0x01000e /* Nat'l Semi SCx200 I2C */
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