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authorJeongtae Park <jtp.park@samsung.com>2012-10-03 22:19:11 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-05 23:08:31 -0300
commitf96f3cfa0bb8f777fe877d7f881bf7ee58bd162a (patch)
tree52e3aacbc57281366ac0b823ba335fe1b394a86b /drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
parent5b781e171ec8f03e640d3b1de6a7ad6a5349e4bf (diff)
[media] s5p-mfc: Update MFC v4l2 driver to support MFC6.x
Multi Format Codec 6.x is a hardware video coding acceleration module present in new Exynos5 SoC series. It is capable of handling several new video codecs for decoding and encoding. Signed-off-by: Jeongtae Park <jtp.park@samsung.com> Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com> Signed-off-by: Jaeryul Oh <jaeryul.oh@samsung.com> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Arun Kumar K <arun.kk@samsung.com> Acked-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c')
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c162
1 files changed, 107 insertions, 55 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
index 311ec90be621..585b7b0ed8ec 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
@@ -37,8 +37,9 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
/* Firmare has to be present as a separate file or compiled
* into kernel. */
mfc_debug_enter();
+
err = request_firmware((const struct firmware **)&fw_blob,
- "s5p-mfc.fw", dev->v4l2_dev.dev);
+ dev->variant->fw_name, dev->v4l2_dev.dev);
if (err != 0) {
mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n");
return -EINVAL;
@@ -82,32 +83,37 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
return -EIO;
}
dev->bank1 = s5p_mfc_bitproc_phys;
- b_base = vb2_dma_contig_memops.alloc(
- dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], 1 << MFC_BASE_ALIGN_ORDER);
- if (IS_ERR(b_base)) {
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
- mfc_err("Allocating bank2 base failed\n");
- release_firmware(fw_blob);
- return -ENOMEM;
- }
- bank2_base_phys = s5p_mfc_mem_cookie(
- dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base);
- vb2_dma_contig_memops.put(b_base);
- if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) {
- mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
- release_firmware(fw_blob);
- return -EIO;
+ if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) {
+ b_base = vb2_dma_contig_memops.alloc(
+ dev->alloc_ctx[MFC_BANK2_ALLOC_CTX],
+ 1 << MFC_BASE_ALIGN_ORDER);
+ if (IS_ERR(b_base)) {
+ vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
+ s5p_mfc_bitproc_phys = 0;
+ s5p_mfc_bitproc_buf = NULL;
+ mfc_err("Allocating bank2 base failed\n");
+ release_firmware(fw_blob);
+ return -ENOMEM;
+ }
+ bank2_base_phys = s5p_mfc_mem_cookie(
+ dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base);
+ vb2_dma_contig_memops.put(b_base);
+ if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) {
+ mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
+ vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
+ s5p_mfc_bitproc_phys = 0;
+ s5p_mfc_bitproc_buf = NULL;
+ release_firmware(fw_blob);
+ return -EIO;
+ }
+ /* Valid buffers passed to MFC encoder with LAST_FRAME command
+ * should not have address of bank2 - MFC will treat it as a null frame.
+ * To avoid such situation we set bank2 address below the pool address.
+ */
+ dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER);
+ } else {
+ dev->bank2 = dev->bank1;
}
- /* Valid buffers passed to MFC encoder with LAST_FRAME command
- * should not have address of bank2 - MFC will treat it as a null frame.
- * To avoid such situation we set bank2 address below the pool address.
- */
- dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER);
memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size);
wmb();
release_firmware(fw_blob);
@@ -124,8 +130,9 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev)
/* Firmare has to be present as a separate file or compiled
* into kernel. */
mfc_debug_enter();
+
err = request_firmware((const struct firmware **)&fw_blob,
- "s5p-mfc.fw", dev->v4l2_dev.dev);
+ dev->variant->fw_name, dev->v4l2_dev.dev);
if (err != 0) {
mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n");
return -EINVAL;
@@ -166,46 +173,81 @@ int s5p_mfc_reset(struct s5p_mfc_dev *dev)
{
unsigned int mc_status;
unsigned long timeout;
+ int i;
mfc_debug_enter();
- /* Stop procedure */
- /* reset RISC */
- mfc_write(dev, 0x3f6, S5P_FIMV_SW_RESET);
- /* All reset except for MC */
- mfc_write(dev, 0x3e2, S5P_FIMV_SW_RESET);
- mdelay(10);
-
- timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT);
- /* Check MC status */
- do {
- if (time_after(jiffies, timeout)) {
- mfc_err("Timeout while resetting MFC\n");
- return -EIO;
- }
- mc_status = mfc_read(dev, S5P_FIMV_MC_STATUS);
+ if (IS_MFCV6(dev)) {
+ /* Reset IP */
+ /* except RISC, reset */
+ mfc_write(dev, 0xFEE, S5P_FIMV_MFC_RESET_V6);
+ /* reset release */
+ mfc_write(dev, 0x0, S5P_FIMV_MFC_RESET_V6);
+
+ /* Zero Initialization of MFC registers */
+ mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD_V6);
+ mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD_V6);
+ mfc_write(dev, 0, S5P_FIMV_FW_VERSION_V6);
+
+ for (i = 0; i < S5P_FIMV_REG_CLEAR_COUNT_V6; i++)
+ mfc_write(dev, 0, S5P_FIMV_REG_CLEAR_BEGIN_V6 + (i*4));
+
+ /* Reset */
+ mfc_write(dev, 0, S5P_FIMV_RISC_ON_V6);
+ mfc_write(dev, 0x1FFF, S5P_FIMV_MFC_RESET_V6);
+ mfc_write(dev, 0, S5P_FIMV_MFC_RESET_V6);
+ } else {
+ /* Stop procedure */
+ /* reset RISC */
+ mfc_write(dev, 0x3f6, S5P_FIMV_SW_RESET);
+ /* All reset except for MC */
+ mfc_write(dev, 0x3e2, S5P_FIMV_SW_RESET);
+ mdelay(10);
- } while (mc_status & 0x3);
+ timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT);
+ /* Check MC status */
+ do {
+ if (time_after(jiffies, timeout)) {
+ mfc_err("Timeout while resetting MFC\n");
+ return -EIO;
+ }
+
+ mc_status = mfc_read(dev, S5P_FIMV_MC_STATUS);
+
+ } while (mc_status & 0x3);
+
+ mfc_write(dev, 0x0, S5P_FIMV_SW_RESET);
+ mfc_write(dev, 0x3fe, S5P_FIMV_SW_RESET);
+ }
- mfc_write(dev, 0x0, S5P_FIMV_SW_RESET);
- mfc_write(dev, 0x3fe, S5P_FIMV_SW_RESET);
mfc_debug_leave();
return 0;
}
static inline void s5p_mfc_init_memctrl(struct s5p_mfc_dev *dev)
{
- mfc_write(dev, dev->bank1, S5P_FIMV_MC_DRAMBASE_ADR_A);
- mfc_write(dev, dev->bank2, S5P_FIMV_MC_DRAMBASE_ADR_B);
- mfc_debug(2, "Bank1: %08x, Bank2: %08x\n", dev->bank1, dev->bank2);
+ if (IS_MFCV6(dev)) {
+ mfc_write(dev, dev->bank1, S5P_FIMV_RISC_BASE_ADDRESS_V6);
+ mfc_debug(2, "Base Address : %08x\n", dev->bank1);
+ } else {
+ mfc_write(dev, dev->bank1, S5P_FIMV_MC_DRAMBASE_ADR_A);
+ mfc_write(dev, dev->bank2, S5P_FIMV_MC_DRAMBASE_ADR_B);
+ mfc_debug(2, "Bank1: %08x, Bank2: %08x\n",
+ dev->bank1, dev->bank2);
+ }
}
static inline void s5p_mfc_clear_cmds(struct s5p_mfc_dev *dev)
{
- mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH0_INST_ID);
- mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH1_INST_ID);
- mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
- mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD);
+ if (IS_MFCV6(dev)) {
+ /* Zero initialization should be done before RESET.
+ * Nothing to do here. */
+ } else {
+ mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH0_INST_ID);
+ mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH1_INST_ID);
+ mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
+ mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD);
+ }
}
/* Initialize hardware */
@@ -233,7 +275,10 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
s5p_mfc_clear_cmds(dev);
/* 3. Release reset signal to the RISC */
s5p_mfc_clean_dev_int_flags(dev);
- mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
+ if (IS_MFCV6(dev))
+ mfc_write(dev, 0x1, S5P_FIMV_RISC_ON_V6);
+ else
+ mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
mfc_debug(2, "Will now wait for completion of firmware transfer\n");
if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_FW_STATUS_RET)) {
mfc_err("Failed to load firmware\n");
@@ -267,7 +312,11 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
s5p_mfc_clock_off();
return -EIO;
}
- ver = mfc_read(dev, S5P_FIMV_FW_VERSION);
+ if (IS_MFCV6(dev))
+ ver = mfc_read(dev, S5P_FIMV_FW_VERSION_V6);
+ else
+ ver = mfc_read(dev, S5P_FIMV_FW_VERSION);
+
mfc_debug(2, "MFC F/W version : %02xyy, %02xmm, %02xdd\n",
(ver >> 16) & 0xFF, (ver >> 8) & 0xFF, ver & 0xFF);
s5p_mfc_clock_off();
@@ -342,7 +391,10 @@ int s5p_mfc_wakeup(struct s5p_mfc_dev *dev)
return ret;
}
/* 4. Release reset signal to the RISC */
- mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
+ if (IS_MFCV6(dev))
+ mfc_write(dev, 0x1, S5P_FIMV_RISC_ON_V6);
+ else
+ mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
mfc_debug(2, "Ok, now will write a command to wakeup the system\n");
if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_WAKEUP_RET)) {
mfc_err("Failed to load firmware\n");

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