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[media] fintek-cir: add support for newer chip version

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Acked-by: Jarod Wilson <jarod@redhat.com>
Reviewed-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-02-14 16:51:56 -02:00
parent 3691a0dd3a
commit 83ec8225b6
2 changed files with 21 additions and 9 deletions
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26
drivers/media/rc/fintek-cir.c
View File

@ -117,7 +117,7 @@ static u8 fintek_cir_reg_read(struct fintek_dev *fintek, u8 offset)
static void cir_dump_regs(struct fintek_dev *fintek)
{
fintek_config_mode_enable(fintek);
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
pr_reg("%s: Dump CIR logical device registers:\n", FINTEK_DRIVER_NAME);
pr_reg(" * CR CIR BASE ADDR: 0x%x\n",
@ -143,7 +143,7 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
u8 chip_major, chip_minor;
u8 vendor_major, vendor_minor;
u8 portsel, ir_class;
u16 vendor;
u16 vendor, chip;
int ret = 0;
fintek_config_mode_enable(fintek);
@ -176,6 +176,7 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
chip_major = fintek_cr_read(fintek, GCR_CHIP_ID_HI);
chip_minor = fintek_cr_read(fintek, GCR_CHIP_ID_LO);
chip = chip_major << 8 | chip_minor;
vendor_major = fintek_cr_read(fintek, GCR_VENDOR_ID_HI);
vendor_minor = fintek_cr_read(fintek, GCR_VENDOR_ID_LO);
@ -192,6 +193,15 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
fintek->chip_major = chip_major;
fintek->chip_minor = chip_minor;
fintek->chip_vendor = vendor;
/*
* Newer reviews of this chipset uses port 8 instead of 5
*/
if ((chip != 0x0408) || (chip != 0x0804))
fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV2;
else
fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV1;
spin_unlock_irqrestore(&fintek->fintek_lock, flags);
return ret;
@ -200,7 +210,7 @@ static int fintek_hw_detect(struct fintek_dev *fintek)
static void fintek_cir_ldev_init(struct fintek_dev *fintek)
{
/* Select CIR logical device and enable */
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);
/* Write allocated CIR address and IRQ information to hardware */
@ -381,7 +391,7 @@ static irqreturn_t fintek_cir_isr(int irq, void *data)
fit_dbg_verbose("%s firing", __func__);
fintek_config_mode_enable(fintek);
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_config_mode_disable(fintek);
/*
@ -422,7 +432,7 @@ static void fintek_enable_cir(struct fintek_dev *fintek)
fintek_config_mode_enable(fintek);
/* enable the CIR logical device */
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);
@ -439,7 +449,7 @@ static void fintek_disable_cir(struct fintek_dev *fintek)
fintek_config_mode_enable(fintek);
/* disable the CIR logical device */
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_DISABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);
@ -611,7 +621,7 @@ static int fintek_suspend(struct pnp_dev *pdev, pm_message_t state)
fintek_config_mode_enable(fintek);
/* disable cir logical dev */
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_DISABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);
@ -634,7 +644,7 @@ static int fintek_resume(struct pnp_dev *pdev)
/* Enable CIR logical device */
fintek_config_mode_enable(fintek);
fintek_select_logical_dev(fintek, LOGICAL_DEV_CIR);
fintek_select_logical_dev(fintek, fintek->logical_dev_cir);
fintek_cr_write(fintek, LOGICAL_DEV_ENABLE, CIR_CR_DEV_EN);
fintek_config_mode_disable(fintek);

4
drivers/media/rc/fintek-cir.h
View File

@ -88,6 +88,7 @@ struct fintek_dev {
u8 chip_major;
u8 chip_minor;
u16 chip_vendor;
u8 logical_dev_cir;
/* hardware features */
bool hw_learning_capable;
@ -172,7 +173,8 @@ struct fintek_dev {
#define LOGICAL_DEV_ENABLE 0x01
/* Logical device number of the CIR function */
#define LOGICAL_DEV_CIR 0x05
#define LOGICAL_DEV_CIR_REV1 0x05
#define LOGICAL_DEV_CIR_REV2 0x08
/* CIR Logical Device (LDN 0x08) config registers */
#define CIR_CR_COMMAND_INDEX 0x04